Zoology

LÖNNBERG, EINAR.

Stockholm, (1925).

LEVINSEN, G.M.R.

Copenhagen, 1909.

BODENHEIMER, F.S.

Berlin, W. Junk, 1928-29.

IMMS, A.D.

London, Collins, 1947.

STEIN, C.U. (Udg.).

Hos C.Steen, K., 1832.

ESCHRICHT, DAN.FREDR.

K., 1838.

KUHN, OSKAR.

Stuttgart, 1949.

NAEF, ADOLF.

Jena, 1922.

HEDPETH, JOEL W. (ED.).

Baltimore, 1957.

THINGVALLAVATN -

Odense, 1992.

STROMER v. REICHENBACH, ERNST.

Leipzig u. Berlin, 1912.

KJØLBYE, C.S.

Kbhvn., 1821.

HOLMGREN, NILS.

Uppsal & Stockh., 1909-13.

HARDY, ALISTER.

London, 1959.

INNES, WILLIAM T.

Philadelphia., (1949).

PRAEGER, ROBERT LLOYD.

London, 1950.

WALKER, JAMES J.(edt.).

Oxford, 1934.

AMUCHÁSTEGUI, AXEL.

London, (1967).