Geology

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København, 1913.

SPALLANZANI, ABBE LAZZARO.

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BALLARD, ROBERT & JAMES G. MOORE.

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RECK, HANS.

(Berlin, Königl. Akademie der Wissenschaften, 1910.

GEIJER, PER.

Stockholm, 1936.

HÖGBOM, A.G.

Stockholm, 1910.

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

Paris, Chez Bernard, 1808.

BAK, P. (+) C. TANG (+) K. WIESENFELD.

(Litho, The American Physical Society), 1987.

HAIDINGER, WILHELM.

Leipzig, Jo. Ambr. Barth, 1829.

SEEGEN, JOSEF.

Wien, Gerold & Sohn, 1854.

DANA, JAMES D. - REFORMING MINERALOGY.

New Haven, Hezekiah Howe & Co., 1835.

PONTOPPIDAN, ERICH.

Kopenhagen, Franz Christian Mumme, 1753-54.

MAP - ARCTIC REGIONS.

Calgarry - Alberta Canada, Symposium Committee, 1960.

GRIPP, KARL.

Hamburg, 1933.

STOLLEY, E. - INSEL SYLT.

Kiel u. Leipzig, Lipsius & Tischer, 1901.

JOHNSTRUP, F.

Kjøbenhavn, Trier, 1869.

MØLLER, JØRGEN.

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HANSEN, KAJ.

Kbhvn., 1936.