CA MUA MG2064
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Fonds
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1905-approximately 1957
A small number of letters between Graham and E.B. Tiffany, an offical of Henry Birks and Co., discuss the occurrance of diamonds in Canada (1949). A record of Graham's work as a teacher in his field is a set of notes on the use of the petrographic microscope.
Graham, R. P. D. (Richard Percival Devereux), 1880-1965