The evolution of mutual aid
Subtitle: (The cosmic roots of love)
By: by Henry M. Simmons.
Series: World Peace Foundation. Pamphlet series -- [vol. II] no. 5, pt. III; Pamphlet series (World Peace Foundation) -- v. 2, no. 5, pt. 3.
Publisher: World Peace Foundation
Published: 1912
Place of publication: Boston
Language: eng
Number of pages: 18
Subjects: Love.; History -- Philosophy.
Other titles: The cosmic roots of love.