Bibliography of Canadian entomology for 1911 and 1912
Hewitt, C.G.
Bibliography of Canadian entomology for 1911 and 1912 by C.G. Hewitt - Ottawa 1912
Entomology
595.7:016 / H 611 B
Bibliography of Canadian entomology for 1911 and 1912 by C.G. Hewitt - Ottawa 1912
Entomology
595.7:016 / H 611 B