Ornithology

BENT, ARTHUR CLEVELAND.

Washington, 1921.

BENT, ARTHUR CLEVELAND.

Washington, 1948.

BENT, ARTHUR CLEVELAND.

Washington, 1949.

BENT, ARTHUR CLEVELAND.

N.Y., (1960).

BERG, BENGT.

Stockholm, 1925.

BERG, BENGT.

Stockholm, (1920).

BERG, BENGT.

Stockholm, (1916).

BEWICK, (T.) THOMAS. - WITH THE TWO SUPPLEMENTS.

Newcastle, Edward Walker for T. Bewick, 1821.

BEWICK, THOMAS (AND RALPH BEILBY).

Newcastle, For T. Bewick, Longman and Co., 1826.

BEWICK, THOMAS.

Newcastle, 1832.

BLANCKE, B.

Berlin, Pfenningstorf, 1921-22.

BLOTZHEIM, URS N. GLUTZ von.

Arau, 1962.

BODSWORTH, FRED.

London, Museum Press, (1956).

BOOSEY, EDWARD J.

London, (1962).

BOWMAN, ROBERT I.

Berkeley a. Los Angeles, 1961.

BREHM, A.E.

Kbhvn., 1876.

BREHM, A.E.

København, Philipsen, 1876.

BRICKA, GEORG ST.

Aalborg, 1884.