| Allied Aviators | Allied Aircraft & Equipment |
| Central Powers Aviators | Central Powers Aircraft & Equipment |
| Annam | Australia | Austria | Belgian Congo |
| Belgium | Britain | Bulgaria | Canada |
| Czechoslovokia | France | Germany | Holland |
| Hungary | India | Italy | Japan |
| Morocco | Portugal | Roumania | Russia |
| Senegal | Serbia | South Africa | Turkey |
| United States | New Zealand |
| Austria | Britain | Canada |
| France | Germany | India |
| Italy | Russia | Serbia |
| South Africa | Turkey | United States |
| Australia | ||
| Austria | Belgium | Britain |
| Bulgaria | Canada | France |
| Germany | Greece | Hungary |
| Italy | Japan | Montenegro |
| Portugal | Roumania | Russia |
| Serbia | Turkey | United States |
| Austria | Britain | Canada | Germany | United States |
| Battlefields | Camps | Towns |
| Cemeteries | Monuments | Hospitals |
| Home Front | Misc Locations |
| Artillery | Gas | Machine Guns |
| Tanks & Armor | Misc. Weapons | Equipment |
| Camouflage |
| Allied Commanders | Allied Ships & Equipment |
| Central Powers Commanders | Central Powers Ships & Equipment |
| Camels | Cats | Dogs | Donkeys & Mules |
| Goats | Horses | Oxen | Pigeons |
| Y. M. C. A. | ||
| Jewish Welfare Board | Knights of Columbus | Other |