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Biographical
Biographical
Correspondence
Correspondence
Memos
Memos
Letters of recommendation
Letters of recommendation
Associations and activism
Associations and activism
Talks
Talks
Publishing
Publishing
Research
Research
Teaching
Teaching
Student days
Student days
Personal and early education
Personal and early education
Personal and professional correspondence – general
Personal and professional correspondence – general
University of Toronto
University of Toronto
Pre-university education activities
Pre-university education activities
Public television
Public television
Publications
Publications
Lectures
Lectures
Research and teaching materials
Research and teaching materials
Talks summary lists
Talks summary lists
Talks – correspondence
Talks – correspondence
“Ultrasonics”
“Ultrasonics”
Polymer Corporation – “The theory of rubber”
Polymer Corporation – “The theory of rubber”
Ontario Education Association, March 31, 1959
Ontario Education Association, March 31, 1959
Royal Canadian Institute “Rubber a caricature of matter”
Royal Canadian Institute “Rubber a caricature of matter”
Hart House debate: “The responsibility of the scientist is solely to science”.
Hart House debate: “The responsibility of the scientist is solely to science”.
Ontario College of Education: “Say something in algebra”
Ontario College of Education: “Say something in algebra”
Chemical institute of Canada
Chemical institute of Canada
Education of Society on Science – talks to high school students
Education of Society on Science – talks to high school students
Harvard-Toronto Exchange
Harvard-Toronto Exchange
Engineering society banquet, October 23, 1963
Engineering society banquet, October 23, 1963
Thunder Bay Teachers’ Institute: “Science teaching through the eyes of a scientist”
Thunder Bay Teachers’ Institute: “Science teaching through the eyes of a scientist”
Biographical file
Biographical file
Essays, talks and scripts
Essays, talks and scripts
Publications
Publications
Conservation work
Conservation work
Resource cards
Resource cards
Biographical
Biographical
Education
Education
Professional correspondence
Professional correspondence
Publishing
Publishing
James Joseph Gray fonds
James Joseph Gray fonds
Correspondence
Correspondence
Canadian Rugby Championship Program
Canadian Rugby Championship Program
Faculty of Arts. Examinations 1904-05 with notes on questions from earlier years
Faculty of Arts. Examinations 1904-05 with notes on questions from earlier years
Mock Parliament. 1st annual, 1903. Program
Mock Parliament. 1st annual, 1903. Program
Torontonensis - Business Manager, 1905-06. Correspondence and financial records
Torontonensis - Business Manager, 1905-06. Correspondence and financial records
University College, Class of '06. Receipt for subscriptions to the Varsity
University College, Class of '06. Receipt for subscriptions to the Varsity
University of Toronto Athletic Association. Admission ticket to Gymnasium
University of Toronto Athletic Association. Admission ticket to Gymnasium
"Varsity" Songbook
"Varsity" Songbook
Professional correspondence
Professional correspondence
Results 1 to 50 of 45432