Collection consists of a variety of material relating to the professional and private lives of May Irwin and her sister Flora collected over a period of 25 years by the Whitby Archives. Records include articles, photographs, sheet music, playbills, books, newspaper clippings, tourist publications, films, and sound recordings.Collection is composed of the following series: Published Material, Sheet Music, Programs and Playbills, Photographs and Images, Material Related to the Thousand Islands and Clayton, NY, Books on May Irwin, Audio/Visual Material.

The collection consists of Waterloo College Invitation Games programs, official ribbons, photographs, and other material.

The collection consists of various textual records including correspondence, reports, notes, promotional material, constitution and by-laws, newspaper clippings, material for publication, award applications, special event programs, church service bulletins, and other records relating to the regular activities of Waterloo Lutheran Seminary.

The fonds consists of blueprints for construction, additions and renovations for Wilfrid Laurier University and its institutional predecessors.

The fonds consist of minutes, statistics, promotional material, reviews, and other material created and accumulated by the Wilfrid Laurier University Internship Option administrators from 1982 to 1992.

The collection consists of awards, clothing, buttons, and other objects related to the history of Wilfrid Laurier University

The collection consists of newspaper clippings relating to Wilfrid Laurier University. It is arranged chronologically, and by subject.

The collection consists of academic gowns, caps, hoods and other objects related to convocation at Wilfrid Laurier University

The collection consists of material related to the military endeavours of students at Waterloo College School and Waterloo College with an emphasis on the World Wars.

The collection is comprised of a range of letters, petitions, grants and notes from a number of activities, including correspondence, leases, land patents, and wills. Also included are items that were not acquired during the lifetime of Richard Hatt, but relate to the Hatt family in Dundas and Ancaster. Examples include newspaper articles about the Hatt family businesses, historical tours of Hatt family property, and death notices of descendants of Richard Hatt.