(1982). American graphics, 1860-1940: Selected from the collection of the Philadelphia Museum of Art / introduction by Alan Fern ; catalogue by Ellen S. Jacobowitz and George H. Marcus.
Chicago-referens (17:e uppl.)American Graphics, 1860-1940: Selected from the Collection of the Philadelphia Museum of Art / Introduction by Alan Fern ; Catalogue by Ellen S. Jacobowitz and George H. Marcus. 1982.
MLA-referens (9:e uppl.)American Graphics, 1860-1940: Selected from the Collection of the Philadelphia Museum of Art / Introduction by Alan Fern ; Catalogue by Ellen S. Jacobowitz and George H. Marcus. 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.