The files are free to download.
Africa French West 1:500,000 -- geology
Alberta 1:250,000
-- geoscience
Avalon Peninsula Newfoundland 125k -- AMS/DMA A681
Balkans 1:250,000
-- AMS/DMA M506
Baltic States 1:200,000
Belgium 1:100,000
Belgium NE France 1:100,000
-- AMS/DMA M603
Choiseul 1:50,000
-- geology
Corsica 1:50,000
-- AMS/DMA M763, GSGS 4398
Czechoslovakia 1:100,000
-- AMS/DMA M672
Czechoslovakia 1:50,000
-- AMS/DMA M772
Czechoslovakia 1:50,000
-- AMS/DMA M774
Ecuador 1:50,000
-- geology
France 1:100,000
-- soils
France 1:250,000
-- geology
France 1:50,000
-- hydrology
French Guiana 1:100,000
-- geology
Germany 1:100,000
Germany 1:200,000
Germany 1:250,000
-- AMS/DMA M541 GSGS 4346
Germany 1:25,000
Great Britain 1:250,000
-- AMS/DMA M523
Great Britain 1:250,000 -- quarter inch
Great Britain 1:250,000 -- Routemaster
Greece Dodecanese Islands 1:25,000
-- AMS/DMA M801
Guadalcanal 1:50,000
-- geology
Iceland 1:100,000
Iceland 1:100,000
-- AMS/DMA C661
Iceland 1:250,000
Iceland 1:250,000
-- AMS/DMA C561
Iceland 1:250,000
-- AMS/DMA C562
Indonesia 1:1,000,000
Indonesia 1:1,000,000
-- geology
Indonesia 1:250,000
-- geology
Indonesia Mindanao 1:25,000
-- AMS/DMA S851
Ireland 1:100,000
-- geology
Ireland 1:253,440
-- AMS/DMA M521
Ireland 1:50,000
Ireland 1:63,360
-- geology
Italy 1:250,000 -- AMS/DMA M591
Italy 1:200,000 -- Touring Club Italiano
Latin America 1:250,000 -- PAIGH
Luxembourg 1:20,000
Luxembourg 1:25,000
-- geology
Netherlands 1:50,000
-- geology
New Brunswick 1:250,000
-- geoscience
New Caledonia 1:100,000
-- geology
New Caledonia 116k
-- AMS/DMA X631
Northern Ireland 1:50,000
-- geosciences
Northern Ireland 1:50,000
-- geosciences
Philippines Central 1:25,000
-- AMS/DMA S831
Philippines Palawan 1:25,000
-- AMS/DMA S821
Romania 1:200,000
-- geology
Saudi Arabia 1:250,000
Saudi Arabia 1:250,000
Slovenia 1:25,000
Spain 1:200,000
-- geoscience
Spain 1:50,000
-- geology
Sri Lanka 1:63,360
Taiwan 1:50,000
-- geology
Trinidad 1:25,000
Turkey 1:500,000
-- geoscience
United Kingdom 1:250,000
-- geoscience
USSR Western 1:50,000
-- AMS/DMA N701
Vanuatu Melanesia 1:50,000
Yugoslavia 1:100,000 -- GSGS 4396
If you have any questions about the indexes, please contact me.