World War I Collection

1914
Austrian Empire
Germany
German East Africa
Serbia
Russia
France
Japan
Great Britain
Montenegro
Belgium
Ottoman Empire

1915
Italy
Bulgaria

1916
Portugal
Romania

1917
Panama
United States
Cuba
Greece
Siam
Liberia
China
Brazil

1918
Guatemala
Nicaragua
Haiti
Costa Rica
Honduras

British Colonies
British West Africa
Canada
Guernsey
India
Jersey
Straits Settlements