United States. Army. Signal Corps; United States. War Department. The Homing Pigeon.
Chicago-čujuhus (17. p.)United States. Army. Signal Corps; United States. War Department. The Homing Pigeon.
MLA-čujuhus (9. p.)United States. Army. Signal Corps; United States. War Department. The Homing Pigeon.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.