Palaeontology

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CIPOLLA, FRANCESCO.

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Berlin, 1960.

KNOWLSON, F.H.

Washington, Government Printing Office, 1919.

EDWARDS, H. MILNE, JULES HAIME AND P. MARTIN DUNCAN.

London, Printed for the Palæontographical Society, 1850-72.

SCHLECHTENDAL, DIETRICH v.

Halle, E. Karras, 1912.

WENZ, W.

Frankfurt a. M., Senckenbergische, 1942.

HOLM, GERHARD.

Stockholm., 1893.

VOGEL, FR.

Leiden, Berlin, 1895.

GILMORE, CHARLES.

Washington, 1928.

CUSHMAN, JOSEPH A.

Bruxelles, 1949.

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Kbhvn., 1925.

LUNDGREN, BERNHARD.

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HEERING, J.

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