Palaeontology

KNOWLSON, F.H.

Washington, Government Printing Office, 1919.

SEMPER, JOH.OTTO.

Neubrandenburg, 1861.

CIPOLLA, FRANCESCO.

Pisa, 1914.

STRONG, C.P.

Wellington, 1984.

HANSEN, HANS JØRGEN.

Copenhagen, 1970.

WEIGELT, JOHANNES.

Berlin, 1960.

ZITTEL, KARL von.

München u. Berlin, 1915-18.

ZITTEL, KARL A.

München u. Berlin, 1924-23.

TEMBROCK, MARIA LUISE.

Berlin, (1963-)68.

WENZ, W.

Frankfurt a. M., Senckenbergische, 1942.

VOGEL, FR.

Leiden, Berlin, 1895.

GILMORE, CHARLES.

Washington, 1928.

HOLM, GERHARD.

Stockholm., 1893.

CUSHMAN, JOSEPH A.

Bruxelles, 1949.

PABST, WILHELM.

Halle, E. Karras, 1908.

ACCONCI, LUIGI.

Pisa, T. Nistri e C., 1880.

LEVINSEN, G.M.R.

Kbhvn., 1925.

LUNDGREN, BERNHARD.

Lund, 1881.