Project Gutenberg Titles by

Ernst Haeckel

(Haeckel, Ernst, 1834-1919)

Die Welträtsel: Gemeinverständliche Studien über Monistische Philosophie (in German)
Evolution in Modern Thought
The Evolution of Man: A Popular Scientific Study (Volume 1)
The Evolution of Man: A Popular Scientific Study (Volume 2)
The Evolution of Man: A Popular Scientific Study (illustrated)
Freedom in Science and Teaching
The History of Creation: or, The Development of the Earth and Its Inhabitants by the Action of Natural Causes (Volume I)
The History of Creation: or, The Development of the Earth and Its Inhabitants by the Action of Natural Causes (Volume II)
The Last Link: Our Present Knowledge of the Descent of Man
Last Words on Evolution: A Popular Retrospect and Summary
Les Énigmes de l'Univers (in French)
Monism As Connecting Religion and Science
Natur und Mensch (in German)
Report on the Radiolaria Collected by H. M. S. Challenger During the Years 1873-76 (First Part: Porulosa)
Report on the Radiolaria Collected by H. M. S. Challenger During the Years 1873-76 (Plates)
Report on the Radiolaria Collected by H. M. S. Challenger During the Years 1873-76 (Second Part: Osculosa)
The Riddle of the Universe at the Close of the Nineteenth Century
The Wonders of Life: A Popular Study of Biological Philosophy

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Das Protistenreich : eine populäre Uebersicht über das Formengebiet der niedersten Lebewesen; Mit einem wissenschaftlichen Anhange: System der Protisten
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