Zoology

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London, Collins & Harvill Press, 1962.

SPÄRCK, RAGNAR.

Kbvhn., 1928.

KRAMP, P.L.

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TRÄGÅRDH, IVAR.

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PELZELN, AUGUST von. - NOVARA-EXPEDITION.

Wien, Kaiserlich-Königlichen Hof-und Staatsdruckerei, 1865.

SHORTEN, MONICA.

London, Collins, 1954.

DARWIN, CHARLES.

(Ankara, Sol yayinlari, 1970).

MARSHALL, N.B.

London, 1965.

RUSSELL, E. JOHN.

London, Collins, 1957.