Document
1932/09/01: E. L. Kammerer to Central Experimental Farm, Ottawa, CanadaSeptember 1 1932
Kammerer, E. Lowell
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1930/04/29: E. L. Kammerer to the Central Experimental Farm in Ottawa, CanadaApril 29 1930
Kammerer, E. Lowell
Document
1930/02/06: E. L. Kammerer to Central Experimental Farm, OttawaFebruary 6 1930
Kammerer, E. Lowell
Document
1930/02/27: E. L. Kammerer to the Central Experimental Farm, Ottawa, CanadaFebruary 27 1930
Kammerer, E. Lowell