This fonds consists of research materials collected by Professor Ross Irwin for his book on Mariposa Township, Victoria County. Material added August 1992 includes a copy of Mariposa: The Banner Township and a series of 8 scrapbooks created by Mrs. Alex McIntyre of Oakwood, Ontario and donated via Professor Irwin. Additions of 1994 include slides of Lindsay, Ontario and other scenes in Victoria County taken in approximately the 1960s. Additions of 2002 include 2 notebooks of Robert Irwin, Cambray. Additions of 2010 include studio portraits of ancestral family members. Additions of 2012 include items related to the history of the Wakelin family and a scribbler with house-building notes.

This fonds consists of correspondence, research notes and original documents which were collected by Professor David Macmillan during his research. Items such as voters' lists for Victoria County, Ontario and a series of broadsides advertising land in Victoria County; documents from the Hudson's Bay Company, East Indies; minutes from the Barbados Board of Legislative Council, a Sydney Australia Company, and the Sydney Australian Committee of the New Steam Company; and a number of reproduction engravings and prints are included in the fonds. Also included in the fonds is a copy of Macmillan's 1964 Ph.D. thesis: "The Scottish Australian Connection..." and assorted pamphlets relating to New South Wales.