President appoints Jacob Frankel an Army chaplain—first American Rabbi to hold such office. Bertram W. Korn, American Jewry and the Civil War (Philadelphia, PA: Jewish Publication Society of America, 1951), 77.

Interviews J. H. Clay Mudd of Washington regarding promotion for Lt. Egbert Thompson (USN). Mudd to Lincoln, 22 September 1862, Abraham Lincoln Papers, Library of Congress, Washington, DC.