War Department Regulations Governing Prisoners of War
Letter from LCDR Albrecht visiting London to LCDR Rihheldaffer concerning Code used in POW mail and other correspondence concerning POW mail
Memorandum from Lt. Marriner, R.N.V.R. O.N.I. OP-16-Z-P/W to Captain Wynne. R.N. N.I.D. 18, Handling of Prisoners of War in the U.S. - Includes a list of POW camps where U-boat POWs were interned
Op-16-Z Memorandum - Gestapo Agents among Prisoner of War
List of Naval POWs interned in the United States
Photos and documents of Obermaschinenmaat Theo Hunkirchen's wartime experience