Geology

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Göteborg, 1924.

OLSEN, SIGURD.

Lund, Kbhvn., 1955.

SPALLANZANI, ABBE LAZZARO.

London, G.G. and J. Robinson, 1798.

CHENEVIX, RICHARD. - ATTACKING WERNER'S MINERALOGICAL SYSTEM.

Paris, Chez Bernard, 1808.

GUITARD, E.-H.

Histoire du thermalisme et de l'hydrologie des Origines á 1950.

WALCHNER, FRIEDRICH AUGUST.

Carlsruhe, 1829-32.

NATHORST, A.G.

Stockh., (1894).

THINGVALLAVATN -

Odense, 1992.

SALOMON, W.

Stuttgart, 1924-26.

BUBNOFF, SERGE von.

Berlin, 1952.

FABER, F.J.

Gorinchem, 1948.

STENO - CHRISTENSEN, R.E., AXEL HANSEN & KNUD LARSEN.

Kbh., 1939.

CORRENS, CARL W.

Berlin, 1949.

HJELMQVIST, SVEN.

Lund, 1934.

DACQUÉ, EDGAR.

München u. Berlin, 1930.

SCHAFFER, F.X.

Leipzig und Wien, 1922-24.

MUNTHE, HENR.

Stockholm, 1940.

BALTICA - GUDELIS, V. (Edt.).

Vilnius, 1963-67.