- A-10782
- Item
- February 1964
Formal/Studio portrait of R.J. St. Arnaud, Associate Professor, Department of Soil Science.
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Archival description 
- A-10783
- Item
- September 1973
Formal/Studio portrait of R.J. St. Arnaud, Professor, Department of Soil Science.
- A-10784
- Item
- March 1989
Formal/Studio portrait of R.J. St. Arnaud, Professor, Saskatchewan Institute of Pedology (Soil Science).