- Must visit
Slovak National Gallery
The country’s leading art museum, recently reopened after a major renovation, with Slovak and international art in a landmark Danube-side complex.
Cheapest price
$112
Average price
$151
Fastest journey
18 h 25 m
Average duration
19 h 1 m
Buses per day
62
Distance
986 km
The best way to find a cheap bus ticket from Amsterdam to Bratislava is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Amsterdam to Bratislava will cost around $151 if you buy it on the day, but the cheapest tickets can be found for only $112.
Of the 62 buses that leave Amsterdam for Bratislava on Sun, May 31, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, May 31 the direct buses cover the 986 km distance in an average of 19 h 1 m but if you time it right, some buses will get you there in just 18 h 25 m .
On Sun, May 31 the slowest buses will take 19 h 20 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
FlixBus · FlixBus · FlixBus
FlixBus · FlixBus · FlixBus
FlixBus · FlixBus
FlixBus · FlixBus
FlixBus · FlixBus · FlixBus
FlixBus
FlixBus · FlixBus
FlixBus · FlixBus
FlixBus · FlixBus
FlixBus · FlixBusOmio recommends booking the train as it is the most popular option from Amsterdam to Bratislava among Omio's users. If you are prioritising price take the bus with prices starting from $62. For those with little time consider booking a train which can get you there in 12h 56m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.3 - 0.9kg. The ticket price range depends on the travel mode: a bus costs an average of $62, and a train costs an average of $98.
Distance: 612 miles (986 km)
| Bus | Most popular Train | Driving |
|---|---|---|
$100 Average price Cheapest | $225 Average price | $138 Average price (fuel + tolls) |
20h 19m Average total duration 19h 49m Onboard + 30m Additional time* | 13h 26m Average total duration Fastest 12h 56m Onboard + 30m Additional time* | 11h 46m Average total duration (door-to-door) |
1.0 - 2.5kg CO2 emissions | 0.3 - 0.9kg CO2 emissions Lowest | - CO2 emissions |
![]() Most popular bus company | ![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from Amsterdam to Bratislava:
A bus is $125 (€101) less than a train for this route with tickets for a train from Amsterdam to Bratislava costing on average $225 (€181).
Other travel options to Bratislava take longer:
Train takes on average 12h 56m.
Bus takes on average 19h 49m.
Tickets start at around $100 (€80) compared to roughly $138 (€111) in fuel and tolls — a saving of about $39 (€31). The journey takes 19h 49m versus 11h 46m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Direct services are operated by FlixBus.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator FlixBus | Departure Time 12:45AM | Arrival Time 12:01AM | Duration 23h16 | Departure days Mon, Tue, Wed, Thu, Fri, Sun | Cheapest price $74 |
Operator FlixBus | Departure Time 01:10AM | Arrival Time 01:45AM | Duration 24h35 | Departure days Mon, Sat | Cheapest price $106 |
Operator FlixBus | Departure Time 01:40AM | Arrival Time 01:45AM | Duration 24h05 | Departure days Mon, Sat | Cheapest price $108 |
Operator FlixBus | Departure Time 02:00AM | Arrival Time 01:45AM | Duration 23h45 | Departure days Mon, Tue, Fri, Sat, Sun | Cheapest price $108 |
Operator FlixBus | Departure Time 03:15AM | Arrival Time 06:40AM | Duration 27h25 | Departure days Mon, Sat | Cheapest price $112 |
Operator FlixBus | Departure Time 04:00AM | Arrival Time 06:15AM | Duration 26h15 | Departure days Everyday | Cheapest price $72 |
Operator FlixBus | Departure Time 06:10AM | Arrival Time 06:40AM | Duration 24h30 | Departure days Sat, Sun | Cheapest price $112 |
Operator FlixBus | Departure Time 06:40AM | Arrival Time 08:06AM | Duration 25h26 | Departure days Thu, Fri, Sat, Sun | Cheapest price $84 |
Operator FlixBus | Departure Time 07:45AM | Arrival Time 06:11AM | Duration 22h26 | Departure days Mon, Sat | Cheapest price $76 |
Operator FlixBus | Departure Time 08:20AM | Arrival Time 10:00AM | Duration 25h40 | Departure days Tue, Wed, Thu, Fri, Sat | Cheapest price $99 |
Operator FlixBus | Departure Time 08:30AM | Arrival Time 08:45AM | Duration 24h15 | Departure days Everyday | Cheapest price $71 |
Operator FlixBus | Departure Time 08:45AM | Arrival Time 09:40AM | Duration 24h55 | Departure days Everyday | Cheapest price $73 |
Operator FlixBus | Departure Time 09:00AM | Arrival Time 06:00AM | Duration 21h00 | Departure days Everyday | Cheapest price $71 |
Operator FlixBus | Departure Time 09:50AM | Arrival Time 08:41AM | Duration 22h51 | Departure days Everyday | Cheapest price $71 |
Operator FlixBus | Departure Time 10:30AM | Arrival Time 09:40AM | Duration 23h10 | Departure days Mon, Tue, Fri, Sat, Sun | Cheapest price $72 |
Operator FlixBus | Departure Time 12:00PM | Arrival Time 11:26AM | Duration 23h26 | Departure days Mon, Tue, Wed, Thu, Sat, Sun | Cheapest price $73 |
Operator RegioJet a.s. | Departure Time 02:00PM | Arrival Time 11:54AM | Duration 21h54 | Departure days Everyday | Cheapest price $68 |
Operator FlixBus | Departure Time 02:10PM | Arrival Time 03:35PM | Duration 25h25 | Departure days Mon, Tue, Wed, Thu, Sun | Cheapest price $78 |
Operator FlixBus | Departure Time 02:15PM | Arrival Time 12:55PM | Duration 22h40 | Departure days Everyday | Cheapest price $120 |
Operator FlixBus | Departure Time 03:15PM | Arrival Time 09:40AM | Duration 18h25 | Departure days Everyday | Cheapest price $73 |
Operator FlixBus | Departure Time 04:45PM | Arrival Time 06:15PM | Duration 25h30 | Departure days Fri, Sat, Sun | Cheapest price $86 |
Operator FlixBus | Departure Time 05:15PM | Arrival Time 03:35PM | Duration 22h20 | Departure days Everyday | Cheapest price $73 |
Operator FlixBus | Departure Time 05:55PM | Arrival Time 06:00PM | Duration 24h05 | Departure days Mon, Wed, Thu, Fri, Sat, Sun | Cheapest price $77 |
Operator FlixBus | Departure Time 07:05PM | Arrival Time 08:00PM | Duration 24h55 | Departure days Everyday | Cheapest price $71 |
Operator FlixBus | Departure Time 07:30PM | Arrival Time 03:35PM | Duration 20h05 | Departure days Everyday | Cheapest price $73 |
Operator FlixBus | Departure Time 08:50PM | Arrival Time 06:00PM | Duration 21h10 | Departure days Mon, Tue, Wed, Thu, Sun | Cheapest price $72 |
Operator FlixBus | Departure Time 09:40PM | Arrival Time 09:20PM | Duration 23h40 | Departure days Mon, Thu, Fri, Sat, Sun | Cheapest price $89 |
Operator FlixBus | Departure Time 09:55PM | Arrival Time 05:15PM | Duration 19h20 | Departure days Everyday | Cheapest price $71 |
Operator FlixBus | Departure Time 10:10PM | Arrival Time 05:15PM | Duration 19h05 | Departure days Everyday | Cheapest price $71 |
Operator FlixBus | Departure Time 10:30PM | Arrival Time 06:05PM | Duration 19h35 | Departure days Everyday | Cheapest price $73 |
Operator FlixBus | Departure Time 10:40PM | Arrival Time 12:01AM | Duration 25h21 | Departure days Wed, Fri, Sat, Sun | Cheapest price $104 |
Operator FlixBus | Departure Time 10:45PM | Arrival Time 09:20PM | Duration 22h35 | Departure days Everyday | Cheapest price $89 |
Operator FlixBus | Departure Time 11:15PM | Arrival Time 10:41PM | Duration 23h26 | Departure days Everyday | Cheapest price $89 |
The table below shows live departures for Amsterdam to Bratislava buses for today, Saturday, May 30. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
FlixBus · FlixBus · FlixBus | 11:15 PM Amsterdam | 23h26 | 10:41 PM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus | 11:15 PM Amsterdam | 22h05 | 9:20 PM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus · FlixBus | 11:15 PM Amsterdam | 23h30 | 10:45 PM Bratislava, Most SNP | 2 transfers | |
| Sunday, May 31 | |||||
FlixBus · FlixBus | 12:45 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 23h16 | 12:01 AM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus · FlixBus | 2:00 AM Amsterdam | 28h40 | 6:40 AM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 4:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 26h35 | 6:35 AM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus · FlixBus | 4:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 26h40 | 6:40 AM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 4:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 26h11 | 6:11 AM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus · FlixBus | 6:10 AM Amsterdam, Station Bijlmer Arena | 24h55 | 7:05 AM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus · FlixBus | 6:10 AM Amsterdam, Station Bijlmer Arena | 25h05 | 7:15 AM Bratislava, Bus Station Nivy | 2 transfers | |
FlixBus · FlixBus · FlixBus | 6:40 AM Amsterdam | 26h01 | 8:41 AM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus · FlixBus | 6:40 AM Amsterdam | 27h20 | 10:00 AM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus | 6:40 AM Amsterdam | 24h35 | 7:15 AM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus | 6:40 AM Amsterdam | 24h25 | 7:05 AM Bratislava, Most SNP | 1 transfer | |
FlixBus · FlixBus · FlixBus | 8:30 AM Schiphol, Airport Terminal 1 | 24h11 | 8:41 AM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus · FlixBus | 8:30 AM Schiphol, Airport Terminal 1 | 24h15 | 8:45 AM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus | 8:30 AM Schiphol, Airport Terminal 1 | 21h30 | 6:00 AM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus · FlixBus | 8:30 AM Schiphol, Airport Terminal 1 | 25h30 | 10:00 AM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 8:45 AM Amsterdam, Station Bijlmer Arena | 24h55 | 9:40 AM Bratislava, Bus Station Nivy | 2 transfers | |
FlixBus · FlixBus · FlixBus | 9:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h26 | 7:26 AM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus · FlixBus | 9:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h50 | 7:50 AM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus | 9:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h05 | 7:05 AM Bratislava, Most SNP | 1 transfer | |
FlixBus · FlixBus | 9:00 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 21h00 | 6:00 AM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus · FlixBus | 9:50 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h51 | 8:41 AM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus · FlixBus | 9:50 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 24h10 | 10:00 AM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 9:50 AM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h55 | 8:45 AM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus · FlixBus | 10:30 AM Amsterdam | 23h10 | 9:40 AM Bratislava, Bus Station Nivy | 2 transfers | |
FlixBus · FlixBus · FlixBus | 12:00 PM Schiphol, Airport Terminal 1 | 24h55 | 12:55 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 12:00 PM Schiphol, Airport Terminal 1 | 23h30 | 11:30 AM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus · FlixBus | 12:00 PM Schiphol, Airport Terminal 1 | 23h26 | 11:26 AM Bratislava, Einsteinova | 2 transfers | |
(Amsterdam -> Prague) · RJ 1041 (Prague -> Bratislava) | 2:00 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 21h54 | 11:54 AM Bratislava hlavná stanica | 1 transfer | |
FlixBus · FlixBus · FlixBus | 2:10 PM Amsterdam, Station Bijlmer Arena | 25h25 | 3:35 PM Bratislava, Bus Station Nivy | 2 transfers | |
FlixBus · FlixBus · FlixBus | 2:15 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h40 | 12:55 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus | 3:15 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h36 | 10:51 AM Bratislava, Einsteinova | 1 transfer | |
FlixBus · FlixBus | 3:15 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h40 | 10:55 AM Bratislava, Most SNP | 1 transfer | |
FlixBus | 3:15 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 18h25 | 9:40 AM Bratislava, Bus Station Nivy | 0 transfersDirect | |
FlixBus · FlixBus · FlixBus | 4:45 PM Amsterdam, Station Bijlmer Arena | 27h10 | 7:55 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 4:45 PM Amsterdam, Station Bijlmer Arena | 26h41 | 7:26 PM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus | 5:15 PM Schiphol, Airport Terminal 1 | 22h20 | 3:35 PM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus · FlixBus | 5:15 PM Schiphol, Airport Terminal 1 | 24h45 | 6:00 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 5:15 PM Schiphol, Airport Terminal 1 | 24h15 | 5:30 PM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus · FlixBus | 5:15 PM Schiphol, Airport Terminal 1 | 24h11 | 5:26 PM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus | 5:55 PM Schiphol, Airport Terminal 1 | 24h05 | 6:00 PM Bratislava, Most SNP | 1 transfer | |
FlixBus · FlixBus · FlixBus | 7:05 PM Amsterdam, Station Bijlmer Arena | 22h10 | 5:15 PM Bratislava, Bus Station Nivy | 2 transfers | |
FlixBus · FlixBus · FlixBus | 7:05 PM Amsterdam, Station Bijlmer Arena | 22h55 | 6:00 PM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus | 7:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 20h05 | 3:35 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 1 transfer | |
FlixBus · FlixBus | 7:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h06 | 2:36 PM Bratislava, Einsteinova | 1 transfer | |
FlixBus · FlixBus | 7:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h10 | 2:40 PM Bratislava, Most SNP | 1 transfer | |
FlixBus · FlixBus | 7:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h20 | 2:50 PM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus | 8:50 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 21h10 | 6:00 PM Bratislava, Most SNP | 1 transfer | |
FlixBus · FlixBus · FlixBus | 9:40 PM Amsterdam, Station Bijlmer Arena | 23h40 | 9:20 PM Bratislava, Bus Station Nivy | 2 transfers | |
FlixBus · FlixBus | 9:55 PM Schiphol, Airport Terminal 1 | 19h20 | 5:15 PM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus · FlixBus | 9:55 PM Schiphol, Airport Terminal 1 | 20h46 | 6:41 PM Bratislava, Einsteinova | 2 transfers | |
FlixBus · FlixBus · FlixBus | 9:55 PM Schiphol, Airport Terminal 1 | 22h00 | 7:55 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 2 transfers | |
FlixBus · FlixBus · FlixBus | 9:55 PM Schiphol, Airport Terminal 1 | 20h50 | 6:45 PM Bratislava, Most SNP | 2 transfers | |
FlixBus · FlixBus | 10:10 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h05 | 5:15 PM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus | 10:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 20h15 | 6:45 PM Bratislava, Most SNP | 1 transfer | |
FlixBus · FlixBus | 10:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 19h35 | 6:05 PM Bratislava, Einsteinova | 1 transfer | |
FlixBus · FlixBus | 10:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 21h25 | 7:55 PM Bratislava, Ivanská cesta (Letisko MR Štefánik) | 1 transfer | |
FlixBus · FlixBus | 10:30 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 20h25 | 6:55 PM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus | 10:40 PM Schiphol, Airport Terminal 1 | 25h21 | 12:01 AM Bratislava, Bus Station Nivy | 1 transfer | |
FlixBus · FlixBus | 10:45 PM Amsterdam, Piarcoplein (Amsterdam Sloterdijk) | 22h35 | 9:20 PM Bratislava, Bus Station Nivy | 1 transfer | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Buses from Amsterdam to Bratislava run on average 50 times per day, taking around 19h 49m. Cheap bus tickets for this journey start at $62 (€50) if you book in advance.
There are 1 buses per day. The earliest bus runs at 00:25, the last at 23:50. The fastest bus covers the 612 miles (986 km) distance in 18h 25m.
Distance 612 miles (986 km) |
Average bus duration 19h 49m |
Cheapest ticket price $62 (€50) |
Buses per day 50 |
Direct buses 1 |
Fastest bus 18h 25m |
First bus 12:25 AM |
Last bus 11:50 PM |
Cheapest Month Sep |
Cheapest Day Tue |
High Season Oct - Dec |
Low Season Jan - Mar |
Busiest Day Wed |
Least Busy Day Tue |
Best time to book 49 days |
Discover the best of Bratislava — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Bratislava trip today.
The country’s leading art museum, recently reopened after a major renovation, with Slovak and international art in a landmark Danube-side complex.
The oldest museum in the city, covering Bratislava’s history through exhibitions in several historic buildings, including the Old Town Hall complex.
A modern art museum dramatically set on a peninsula south of the city, known for contemporary works and striking riverside sculpture grounds.
The city’s main visitor area, filled with historic lanes, squares and landmarks. Essential for first-time visitors and easy walking between major sights.
The Main Square of Bratislava, surrounded by historic façades and civic buildings, and a natural starting point for exploring the old center.
A broad, elegant promenade lined with trees and major buildings, popular for strolling and public events near the Danube embankment.
Slovakia’s signature dish of small potato dumplings mixed with tangy sheep cheese and topped with bacon. It is the most iconic traditional meal to try in Bratislava.
A hearty sauerkraut soup often cooked with smoked meat, sausage, and mushrooms. It is especially associated with Slovak home cooking and festive meals.
Crispy potato pancakes seasoned with garlic and marjoram. They are a beloved rustic street and pub food across Slovakia.
An established castle-area restaurant known for refined Slovak and Central European cuisine, with a cozy interior and strong local reputation.
A polished restaurant focused on historic Bratislava and Austro-Hungarian recipes, offering a more elegant dining experience near the Old Town.
A well-known traditional restaurant and beer hall serving classic Slovak dishes in a lively, rustic setting popular with both locals and visitors.
Generally cheaper than Vienna and many Western European capitals; central hotels cost more, while food and transit stay reasonable.
Service is often included, but it is customary to round up or leave 5-10% in restaurants for good service. Round up taxi fares. Small tips are appreciated in cafes; not expected for counter service.
Official public transport app
Bratislava, Ivanská cesta (Letisko M. R. Štefánik) -> Bratislava Hlavná stanica
Find answers to the most common questions about traveling from Amsterdam to Bratislava by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Bratislava, this guide helps you travel smarter and with confidence.

Here are some other resources that might have the information you need