BiblioVault may have an electronic file which would meet your requirements for this title:
American Socialist Triptych: The Literary-Political Work of Charlotte Perkins Gilman, Upton Sinclair, and W. E. B. Du Bois
Mark Van Wienen
Paper: 978-0-472-03566-3
Cloth: 978-0-472-11805-2
Electronic: 978-0-472-02808-5