Spencer, Herbert, 1820-1903. Spontaneous generation, and the hypothesis of physiological units : A reply to the North American review / by Herbert Spencer.

Spencer, Herbert, 1820-1903.

Spontaneous generation, and the hypothesis of physiological units : A reply to the North American review / by Herbert Spencer.

New York : D. Appleton and Co., 1870.

"Spencer's system of philosophy [prospectus]" : 8 p. at end.

Retrospective conversion record: BSLW database.

Spontaneous generation.

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