Die stammesgeschichte der insekten.

Frankfurt: Verlag von Waldemar Kramer, 1969. Octavo, illustrations, maps, very good copy in dustwrapper, small bookseller's stamp.
.
Frankfurt: Verlag von Waldemar Kramer, 1969. Octavo, illustrations, maps, very good copy in dustwrapper, small bookseller's stamp.
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