Hasła przedmiotowe: “...Conscientious objectors United States Periodicals....”
Full text available from Advanced Technologies & Aerospace Database: 01/01/1998 to 07/31/2006
Full text available from Military Database: 01/01/1998 to 07/31/2006
Full text available from Research Library: 01/01/1998 to 07/31/2006