The sub-series consists of textual records related to William McLennan’s work as a writer from the 1880s-1903. The series includes full and partial drafts of published and unpublished articles, short stories, novels, and non-fiction works; research and reference materials; incoming correspondence; and other materials. Writings are primarily about Montreal, including its history, physical environment, and historical figures. Historical figures treated include Raphael-Lambert Closse, Bénigne Basset, François Dollier de Casson, George Hardy, Pehr Kalm, Medar Jalot, Louis Juchereau de Saint-Denis, Richard Hamilton, Louis de Montéléon, Marie-Anne-Josette L’Estringant de Saint-Martin, Jean-Baptiste Migeon de Branssat, Daniel Greysolon Dulhut, Benedict XIII, Octave Crémazie, James Johnstone, and John McDonell. Research and reference materials include notes from historical sources, character sketches and timelines, and copies of archival documents, as well as original historical documents. Among the historical documents, the series includes a copy of Daniel Greysolon Dulhut's will and testament dated 1710 and signed by Dulhut. Correspondence relates to the writing, research, and publication of McLennan’s works. Notable correspondents include Jean Newton McIlwraith, co-author of "The Span o’ Life: A Tale of Louisbourg and Quebec," historian Joseph-Edmond Roy, archivist Douglas Brymner, journalist and historian Ernest Myrand, and John S. McLennan, among others.