Freedom in science and teaching / from the German of Ernst Haeckel ; with a prefatory note by T.H. Huxley.
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Freedom in science and teaching / from the German of Ernst Haeckel ; with a prefatory note by T.H. Huxley. Credit: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.. Public Domain Mark