Fonds consists of day books, sales books, cash books; various kinds of ledgers; bills payable and burial permits relating to the operation of Robert J. Reid and Sons Limited.
Fonds consists of professional papers relating to his career as a teacher and research physicist and includes correspondence; lecture notes; subject files; and a copy of his "Report on a Visit to the General Electric Co. Reserach Laboratory, Schenectady, New York, May 1950", in relation to the establishment of a Synchrotron Lab, under the auspices of the Department of Physics, at Queen's University at Kingston.
The fonds consists of correspondence, notebooks belonging to Mrs. Roberts and her grandson, Athelston Roberts, son of Sir Charles G.D. Roberts, poems, news clippings, drawings and photographs.
The fonds consists of correspondence, speeches, press releases, memoranda, subject files relating to his work as Minister of Labour, his constituency and several federal elections. Correspondents include Sir Robert Borden, J.S. Woodsworth, Lord Tweedsmuir and, most notable, are a large number of letters and telegrams from Mackenzie King.