- Series121 - Research materials on John Dunmore Lang and Canadian education
- Item1 - Research notes and material on Department of Education County and City Inspectorate, Ontario, 1885-1919
- Item2 - Folders of articles and speeches from the Dominion Educational Association, Ontario Educational Association, and other Canadian publications
- Item3 - Correspondence with libraries, booksellers, churches and others about John Dunmore Lang publications
- Item4 - Copies of John Dunmore Lang sermons, extract from 1891 report of unveiling of Lang Memorial, extract from Lang's reminiscences and memoir (correspondence between TD Mutch and J Mutton 1947), and postcard photograph of John Dunmore Lang
- Item5 - Drafts for lecture on 100th anniversary of death of John Dunmore Lang
- Item6 - Green binder containing A-Z index of extracts from John Dunmore Lang's writings
- Item7 - Printed copies of lectures, sermons and other publications of John Dunmore Lang (20)
