Zoology

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VIRCHOW, HANS.

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FOREL, AUGUST.

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NICHOLS, JOHN TREADWELL.

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ROUGHLEY, T.C.

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New York, The American Museum of Natural History, 1943.

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POULSEN, ERIK M.

Copenhagen, 1973.

LÖNNBERG, EINAR.

Uppsala & Stockholm, 1912.

VERHOEFF, KARL W.

Halle, E. Karras, 1910.

BODEMEYER, BODO v.

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KLINGELHOFFER, W.

Stuttgart, Julius E.G. Wegner, 1931.

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NORDSTRÖM, FRITHIOF OCH EINAR WAHLGREN.

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