- 2017.014.001.0008
- Bestanddeel
- 1930
File contains a contract between Thomas B. Allen and The Ryerson Press for the book "Elementary Vocational Science".
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Archivistische beschrijvingFerguson, W. P. and Allen, T. B.
- 2017.014.001.0305
- Bestanddeel
- 1941
File contains two agreements between The Ryerson Press, T. B. Allen, and W. P. Ferguson for the books "Elementary Vocational Science" and "Elementary Vocational Science Notebook".