 He served as Dr George Andrew Reisner's editorial secretary from 1920 to 1925.Sanborn served as the librarian of the Museum of Fine Arts, Boston from 1923 to 1925, and as its secretary from 1925 to 1952.He served as the editor of the "Boston Museum Bulletin" from 1925 to 1952, and later editor of the "American Journal of Archaeology".