The fonds consists of incoming and outgoing correspondence with Prime Minister R.L. Borden, J.S. Williams and other prominent political figures for the period of 1917 to 1918. The letters pertain to issues confronting the Canadian government during World War I.

The fonds consists of photocopied research material relating the following individuals - Clifford Sifton, George Foster, Robert Borden, R.B. Bennett, W.S. Fielding, T.A. Crerar, A.K. Cameron and Charles A. Dunning. Also included are minutes, agenda papers and reports from the Historic Sites and Monuments Board of Canada on which Prang served from 1973 to 1979.