This fonds primarily consists of records documenting Roome's military career and research interest. The records span World War One and World War Two and include correspondence (1918-1919 and 1942-1946); war diaries (1915-1918 and 1940-1944); addresses and lectures (1928-1949); ca. 165 black and white photographs, mostly of Mesopotamia during World War I and of training exercises during World War II in Debert and Tracadie, Nova Scotia; photographs and postcards of Dalhousie; maps of England, France, and Mesopotamia from World War I; print materials which include newspaper clippings and copies of Canadian military magazines; research notes on the American Civil War; papers while Deputy Adjutant General (1943-1945) regarding awards, transfers, discharges, etc.; and miscellaneous other papers.