- Graduation portrait of Du Bois, ca. 1890 (cabinet card). Class Album. Class of 1890. HUD 290.04 (page 26)
- Class of 1890 20th reunion photograph, HUPSF Class of 1890 (PA 2) “Reunion at Tempest Knob, Wareham, Mass., June 28, 1910,” panoramic photograph of Class members, including Du Bois
- Portrait of Du Bois ca. 1915, HUP Du Bois, William E. B. (1)
- Class of 1890 25th reunion photograph, HUPSF Class of 1890 (PA 5) and (PA 6) (2 copies of the same image) “Class of 1890 at the Misses Slocums’, Wareham, Mass. [1915],” panoramic photograph of Class members, including Du Bois
- Class of 1890 25th reunion photograph, HUPSF Class of 1890 (PA 7) “Class of 1890 at the Misses Slocums’, Wareham, Mass. [1915],” panoramic photograph of Class members, including Du Bois