Subseries contains handwritten and typed correspondence sent to Kenneth Leslie, from his friends, supporters, and fellow researchers. Subseries also contains a few pieces of correspondence written by Leslie.
File contains printed publications of the Kenneth Leslie-operated publication The Protestant Digest (later, The Protestant). File also contains material related to the Textbook Commission, as well as office ledgers, advertisements, and Protestant stationery.
Subseries contains essays written by Kenneth Leslie when he was a student at both Dalhousie University and Harvard University. Subseries also contains interview transcripts, research notes, and brief biographical sketches written by Leslie.