Ornithology

WESTERSKOV, KAJ.

Kbhvn., 1943.

HOLSTEIN, VAGN.

København, 1956.

HØRRING, R.

København, Gad, 1919-34.

REICHENOW, ANTON.

Pfundstadt, Darmstadt, (1955).

RILEY, J.H.

Washington, 1938.

IMHOF, THOMAS A.

Alabama, 1962.

TODD, W.E. CLYDE.

Toronto, (1963).

MEINERTZHAGEN, R.

Edinburgh, London, (1959).

ROBINSON, HERBERT C.

London, Witherby, 1928.

CARTHY, J.D.

London, 1956.

RUSS, KARL.

Hannover, 1871-73.

MAKATSCH, WOLFGANG.

Berlin, (1954).

KENNEDY, P.G., ROBERT F. RUTTLEDGE, C.F. SCROOPE.

London, 1954.

BANKO, WINSTON E.

Washington, 1960.

SOMEREN, V.G.L. von.

Chicago, 1956.

NEUNZIG, KARL.

Magdeburg, 1921-13.

BECHSTEIN, J.M.

London, Groombridge and Sons, (1837).

HOULIHAN, PATRICK F.

Warminster, Aris & Phillips, (1986).