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Butterflies -- Type specimens. 1

Entomologists -- North America -- Correspondence. 1

Entomologists -- United States -- Correspondence 1

Lepidoptera -- Alberta -- Classification. 1

Lepidoptera -- Canadian Rockies (B.C. and Alta.) -- Classification. 1

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Lepidoptera -- Catalogs and collections -- New York (State) -- New York. 1

Lepidoptera -- North America -- Classification -- History -- Sources. 1

Lepidoptera -- North America -- Classification. 1

Naturalists -- Biography. 1

Paleontologists -- United States -- Biography. 1

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