The fonds consists of the diaries of Harriet Pengelley (1835-1836), Robert Pengelley (1835), and A.E. Marguerite (Rita) Pengelley (1940-1941); correspondence; sketchbooks (1829-1830); drawings; and photographs. In 1994, an addition was made to the fonds which included a photocopy of a diary of Robert Pengelley (1837-1840) and textual records regarding the Pengelley family. In 2018, an addition of Pengelley family genealogical information was received. Some of the diaries have typewritten transcripts attached.

This fonds consists of correspondence, photographs, family biographical information, notes and research for speeches, alderman election materials, accounts, land ownership documents, business records and newspaper clippings pertaining to the personal and political career of John Beverley Robinson. Also included in the fonds is research material of Mrs. Forsyth Grant, daughter of J.B. Robinson and President of the Women's Canadian Historical Society of Toronto.