United States (1-64)
Great Britain (65-70)
British Commonwealth (A-G) (71-127)
Hong Kong (128-133)
British Commonwealth (I-Z) (134-253)
Albania (254-259)
Algeria (260-260)
Angola (261-261)
Armenia (262-262)
Argentina (263-264)
Austria (265-285)
* Lombardy-Venetia (286-287)
Azerbaijan (288-298)
Belgium (299-299)
Belgian Colonies (300-300)
Bosnia and Herzegovina (301-313)
Bulgaria (314-322)
Carpatho - Ukraine (323-375)
China (376-376)
Republic of China (377-377)
People's Republic of China (378-471)
* People's Republic of China Collective Lots and Collection (472-476)
Colombia (477-477)
Crete - Russian Administration (478-480)
Croatia (481-494)
Czechoslovakia (495-501)
Denmark (502-503)
Ecuador (504-505)
Egypt (506-507)
Estonia (508-513)
Finland (514-526)
France (527-532)
French Colonies (533-536)
Georgia (537-540)
Germany (541-585)
* German Occupation Issues during WWII (586-603)
Greece (604-607)
Greenland (608-610)
Hungary (611-612)
Iceland (613-615)
Italy (616-624)
Italian Colonies (625-627)
Japan (628-628)
Republic of Korea (629-632)
Laos (633-633)
Latvia (634-647)
Lebanon (648-651)
Liberia (652-652)
Liechtenstein (653-660)
Lithuania (661-679)
Monaco (680-680)
Mongolia (681-682)
Netherlands (683-683)
North Ingermanland (684-684)
Paraguay (685-685)
Poland (686-712)
* Poland Collective Lots and Collections (713-715)
Portugal (716-716)
Portuguese Colonies (717-721)
Romania (722-722)
Imperial Russia 1857-1917 (723-787)
* Imperial Russia Collective Lots and Collections (788-791)
RSFSR Issues 1918-23 (792-818)
Soviet Union 1923-1941 (819-962)
Soviet Union 1941-1949 (963-1064)
Soviet Union 1950-1991 (1065-1162)
* Soviet Union Collective Lots and Collections (1163-1178)
Russian Semi-Postal Issues (1179-1196)
Russian Air Post Stamps and Covers (1197-1221)
Russian Postage Due Stamps (1222-1222)
Wenden (1223-1226)
Russian Offices in China (1227-1231)
Russian Offices in the Turkish Empire (1232-1240)
Other Russian Offices Abroad (1241-1242)
Russian Locals of Civil War period (1243-1248)
Zemstvo (Rural Post) Locals (1249-1339)
SAAR (1340-1342)
San Marino (1343-1368)
Saudi Arabia (1369-1370)
Slovakia (1371-1372)
Sweden (1373-1373)
Switzerland (1374-1382)
Syria (1383-1393)
Tannu Tuva (1394-1398)
Ukraine (1399-1417)
Vatican City (1418-1418)
Yugoslavia (1419-1451)
* Yugoslavian Occupation of Italy (1452-1467)
* Trieste (Zone B) (1468-1477)