Brett Erans, Patricia (27. september 2013). "Sonya Levien Profile". Women Film Pioneers Project. Columbia University Libraries. Arkiveret fra originalen 24. februar 2016. Hentet 9. marts 2016.
doi.org
Rosenbloom, Nancy J. (2015). "From Greenwich Village to Hollywood: The Literary Apprenticeship OF Sonya Levien". The Journal of the Gilded Age and Progressive Era. doi:10.1017/S1537781414000577.
Rosenbloom, Nancy J. (2015). "From Greenwich Village to Hollywood: The Literary Apprenticeship of Soya Levien". The Journal of the Gilded Age and Progressive Era. doi:10.1017/S1537781414000577.
Brett Erans, Patricia (27. september 2013). "Sonya Levien Profile". Women Film Pioneers Project. Columbia University Libraries. Arkiveret fra originalen 24. februar 2016. Hentet 9. marts 2016.