Otis Philbrick with students. 1930. Web. 04 Mar 2021. <https://ark.digitalcommonwealth.org/ark:/50959/7366bb08w>.

Otis Philbrick with students [Photograph]. (1930). Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/7366bb08w

"Otis Philbrick with students." Photograph. 1930. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/7366bb08w (accessed March 04, 2021).