The papers consist of correspondence, diaries, writings, memorabilia and photographs. The papers are divided into two series: Correspondence of Anna Walling - prominent correspondents include Charlotte Perkins Gliman, Emma Goldman, and Selig Perlman, and Correspondence of Others - including correspondence of William English Walling, other family members and Leonard Abbott. The correspondence (1897-1964) which includes family, friends and political associates documents Walling's involvement in political causes. The letters also reveal Anna Walling's feelings on personal matters, social questions and her reactions to meetings with prominent persons both in the United States and abroad.
Fonds includes bibliographies and manuscripts of scientific papers and commentaries by the author, with particular emphasis on his speciality which was fluid surges and water-hammer.
Diary describes the daily life of Sir John A. Macdonald, his family and political events. The diary contains entries for the years 1867-1872, 1875 and 1883. The diary begins just four days after Confederation, when John A. Macdonald became Canada's first Prime Minister.
The fonds consists of correspondence, memoranda, notes and printed material arranged in subject files alphabetically by file title within eight time periods. Series F covers the period when Bennett was Prime Minister (August 1930-October 1935).
