Zoology

MILLAIS, J.G.

N.Y., Bombay, Calcutta, Longmans, Green & Co., 1907.

NIELSEN, ANKER.

(Kopenhagen, 1942).

SUE, (JEAN-JOSEPH) - THE FEMALE OTTER DESCRIBED.

(Paris, Imprimerie Royale, 1755).

[JENNINGS, HERBERT SPENCER].

[No place], 1908.

ILLIGER, JOHANN KARL WILHELM.

Halle, Gebauer, 1798.

SCHAEFER, MAXIMILIAN.

Dresden, G. Kühtmann, (1899).

OTTERSTRØM, C.V.

Kbhvn., 1912-17.

SØRENSEN, WILLIAM.

Kbhvn., 1884.

GEYER, D.

Stuttgart, (1909).

SCHÄPERCLAUS, WILHELM.

Braunschweig, 1941.

CLAUS, C.

Wien, 1877.

SMITH, L.(AURITZ).

Kiøbenhavn, Popp, 1789.

WINGE, HERLUF.

Kbhvn., 1902.

REY, LUIS LOZANO.

Madrid, 1947.

FILIP'EV, I.N.

Jerusalem, 1968.

COUPIN, HENRI.

Paris, Vuibert et Nony, 1907.

PEYRON, JOHN.

Uppsala & Stockholm, 1909.

DONISTHORPE, J.K.

London, G. Routhledge & Sons, 1927.