by Raymond Saleilles ; with an introduction by Gabriel Tarde ; translation from the second French edition by Rachel Szold Jastrow ; with an introduction by Roscoe PoundKessinger Pub.[2008?]
by Fritz Berolzheimer ; translated from the German by Rachel Szold Jastrow ; with an introduction by Sir John Macdonell and by Albert KocourekBoston Book1912
by Raymond Saleilles ; with an introduction by Gabriel Tarde ; translated from the second French edition by Rachel Szold Jastrow ; with an introduction by Roscoe PoundWilliam Heinemann1911