A View of the Commercial Library [reproduction in book]
Commercial Museum Philadelphia
Ink on paper
Image reproduced in "The Commercial Museum and Its Work," n.d., p. 16.
Reproduced from Warshaw collection item in Deborah Martin Kao and Michelle Lamuniere, eds., Instituting Reform: The Social Museum of Harvard University, 1903-1931. Cambridge, Mass.: Harvard Art Museums, 1912, p. 95
Museums series, Warshaw Collection of Business Americana, Archives Center, National Museum of American History