Zoology

AXELROD, HERBERT A. and LEONHARD P. SCHULTZ.

New York, McGraw-Hill, (1955).

JORDAN, DAVID STARR and BARTON WARREN EVERMANN.

Washington, Government Printing Office, 1900.

JORDAN, DAVID STARR and BARTON WARREN EVERMANN.

Washington, Government Printing Office, 1898.

KAALAAS, B.

Trondhjem, Aktietrykkeriet, 1911.

FORD, E. B.

London, Collins, 1955.

SULTZER, CHARLES.

Strassbourg, Paris, Fischer, Amand Koenig, An IX - 1801.

PARKER, WILLIAM KITCHEN.

London, Taylor and Francis, 1874 - Harrison and Sons, 1886.

THE GREENLAND WHALE (BOWHEAD WHALE) - ESCHRICHT, D.F. & J. REINHARDT.

(København, 1861).

DARWIN, CHARLES.

Stockholm, Albert Bonniers, 1872.

MEINERT, FR.

Kjøbenhavn, Bianco Luno, 1886.

BERTRAM, JAMES G.

London, John Murray, 1869.

PONTOPPIDAN, ERICH.

Kopenhagen, Franz Christian Mumme, 1753-54.

DA COSTA, F. A. FEREIRA.

Lisboa, Imprensa Nocional, 1865.

DARWIN, CHARLES.

Zagreb, Tisak Kr. zemaljske tiskare, 1922.

DARWIN, CHARLES.

Kjøbenhavn [Copenhagen], 1872 - (Kristiania [Oslo], 1890) - Stockholm, 1871.

AFLALO, F.G.

Edinburgh and London, Blackwood and Sons, 1898.

DARWIN, CHARLES.

London, 1873.

PRYCE-TANNATT, T.E.

London, Adam and Charles Black, 1914.