Ornithology

NATURENS VERDEN.

Kbhvn., 1917-69.

CAYLEY, NEVILLE W.

London, Sydney, (1978).

PEARSON, T. GILBERT. (Edt.).

N.Y., 1936.

KOLTHOFF, GUSTAF och L.A. JÄGERSKIÖLD.

Stockholm, (1898).

HEATHERLEY, FRANCIS.

London, 1913.

KOLTHOFF, GUSTAF och L.A. JÄGERSKIÖLD.

Stockholm, (1898).

KOLTHOFF, GUSTAV och L.A. JÄGERSKIÖLD.

Stockholm, (1898).

GERRITS, H.A.

London, (1961).

ROBERTS, AUSTIN.

London, Johannesburg, (1949).

BODSWORTH, FRED.

London, Museum Press, (1956).

CAVE, FRANCIS O. a. JAMES D. MACDONALD.

Edinburgh, London, 1955.

SMYTHIES, BERTRAM E.

Edinburgh, London, 1960.

SNYDER, L.L.

Toronto, (1957).

ROBERTS, (A.).

Cape Town, (1970).

ALI, SÁLIM.

Oxford, (1945).

CATALOGUS FAUNAE GRAECIAE.

Thessaloniki, 1969.

PEARSON, HENRY J.

London, Porter, 1899.

SITWELL, SACHEVERELL, HANDASYDE BUCHANAN and JAMES FISHER.