Fruits of philosophy
Subtitle: an essay on the population question
By: by Charles Knowlton, M.D. ...
Contributors: Bradlaugh, Charles, 1833-1891; Besant, Annie, 1847-1933
Edition: 2nd new ed., with notes.
Publisher: Freethought Pub. Co.
Published: 1878
Place of publication: London
Language: eng
Number of pages: 56
Subjects: Women; Health and hygiene; Birth control; Malthusianism
Notes: "One hundred and forty-fifth thousand."

Preface to the new 2nd ed. by Charles Bradlaugh and Annie Besant.