This fonds consists of research materials collected by Professor 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. Genealogical resource. 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.