Zoology

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London, 1950.

WALKER, JAMES J.(edt.).

Oxford, 1934.

AMUCHÁSTEGUI, AXEL.

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THORPE, W.H.

London, (1956).

JONES, J.W.

London, 1959.

BRÆNDEGAARD, JENS.

Coph., 1946.

VENABLES, L.S.V. a. U.M.

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ALDRICH, JOHN WARREN a. BENJAMIN P. BOLE.

Cleveland, 1937.

GRAY, JAMES.

London, 1968.

MULSANT, M.E.

Paris, 1844.

BERRY, R.J. a. J.L. JOHNSTON.

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KIRBY, WILLIAM AND WILLIAM SPENCE.

London, Longmans, Huret etc., 1816-26.

WILLIAMS, C.B.

London, Collins, 1958.

FORD, E.B.

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GIEBEL, C.G.

Leipzig, Ambrosius Barth, 1855.

SKRJABIN, K.I.

Jerusalem, 1965.

INNES, WILLIAM T.

Philadelphia, (1931).

BEE-KEEPING - THORLEY, JOHN.

London, J. Johnson, 1774.