Geographical perspectives on the Maritime provinces / edited by Douglas Day ; with Robert J. McCalla.  Halifax : Saint Mary's University, 1988. ix, 218 pages : illustrations ; 23 cm.

Day, Robert Douglas

The British Army and sport in Canada case studies of the garrisons at Halifax, Montreal and Kingston to 1871 / by Robert Douglas Day.  Ottawa : National Library of Canada, 1982. 450 frames ; 11 X 15 cm.

Blair, C. L.

The Canadian landscape : map and air photo interpretation / authors, Calvin L. Blair, E.E. Douglas Day, Bradley R. Frid ; contributors, Joseph M. Kirman, L.M. Sebert, David N. Knox, Clifford A. Oliver.  3rd ed. Toronto : Copp Clark Pitman, 1990. 163 pages : illustrations (some col.), maps (some col.) ; 30 c