^Draft registration card for James Campbell Isaminger, journalist, North American, resident of Philadelphia, born December 6, 1880. Ancestry.com. World War I Draft Registration Cards, 1917-1918 [database on-line]. Registration Location: Philadelphia County, Pennsylvania; Roll: 1907957; Draft Board: 48.
^Draft registration card for James Campbell Isaminger, born December 6, 1880, resident of Maryland, near Fawn Grove, Pennsylvania. Ancestry.com. U.S. World War II Draft Registration Cards, 1942 [database on-line]. National Archives and Records Administration (NARA); Washington, D.C.; State Headquarters: Maryland; Microfilm Series: M1939; Microfilm Roll: 28.