Kaplan, 1944, p. 234 Kaplan, Louis (July 1944). "Peter Force, collector". The Library Quarterly: Information, Community, Policy. 14 (3). The University of Chicago Press: 234–238. doi:10.1086/616966. JSTOR4303248. S2CID143955262.
Kaplan, 1944, p. 236 Kaplan, Louis (July 1944). "Peter Force, collector". The Library Quarterly: Information, Community, Policy. 14 (3). The University of Chicago Press: 234–238. doi:10.1086/616966. JSTOR4303248. S2CID143955262.
Kaplan, 1944, p. 234 Kaplan, Louis (July 1944). "Peter Force, collector". The Library Quarterly: Information, Community, Policy. 14 (3). The University of Chicago Press: 234–238. doi:10.1086/616966. JSTOR4303248. S2CID143955262.
Force, Manning, 2007 [1865] , p. 185 Force, Manning Ferguson (Summer 2007). "From Atlanta to Savannah: The Civil War Journal of Manning F. Force, November 15,1864-January 3, 1865". The Georgia Historical Quarterly. 91 (2). Georgia Historical Society: 185–205. JSTOR40584997.
Kaplan, 1944, p. 236 Kaplan, Louis (July 1944). "Peter Force, collector". The Library Quarterly: Information, Community, Policy. 14 (3). The University of Chicago Press: 234–238. doi:10.1086/616966. JSTOR4303248. S2CID143955262.
Kaplan, 1944, p. 234 Kaplan, Louis (July 1944). "Peter Force, collector". The Library Quarterly: Information, Community, Policy. 14 (3). The University of Chicago Press: 234–238. doi:10.1086/616966. JSTOR4303248. S2CID143955262.
Kaplan, 1944, p. 236 Kaplan, Louis (July 1944). "Peter Force, collector". The Library Quarterly: Information, Community, Policy. 14 (3). The University of Chicago Press: 234–238. doi:10.1086/616966. JSTOR4303248. S2CID143955262.
Michael Richman (c. 1968). "Force Memorial, (sculpture)". Inventories of American Painting and Sculpture. American Art Museum. Retrieved December 19, 2010.