Geology

FORCHHAMMER, G.

(København, 1826, 1828, 1832).

BØGGILD, O.B.

Kjøbenhavn, Reitzel, 1905.

FORCHHAMMER, G.

(København, 1825).

BRINKMANN, ROLAND.

Stuttgart, 1959-61.

ROUGEMONT, FRIEDRICH VON.

Stuttgart, R. Besser, 1856.

WOOD, W. - ILLUSTRATED BY WILLIAM DANIELL WITH 50 ADDITIONAL PLATES.

London, Cadell and Davies, 1897.

WEISBACH, ALBIN.

Leipzig, 1900.

HUMBOLDT, ALEXANDER von.

Leipzig, Johann Ambrosius Barth, 1837-38.

PACKARD, ALPHEUS SPRING.

New York, Hodges, 1891.

DARWIN, CHARLES.

(London, Richard and John E. Taylor, 1839).

HEER, OSWALD.

Stockholm, Nordstedt & Söner, 1870.

BERTRAND, E.

A la Haye, Pierre Grosse & Daniel Pinet, 1763.

LARSEN, GUNNAR.

Copenhagen, 1966.

FLINT, RICHARD FOSTER.

N.Y., (1963).

STENO, NICOLAI (STENONIS).

Hafniae, 1952.

MIKKELSEN, VALDEMAR M.

Copenhagen, 1949.

SAUNDERS, ROBERT.

Berlin, Vossischen Buchhandlung, 1790.