Philadelphia Museum of Art, Rijksmuseum (Netherlands), Jacobowitz, E. S., & Marcus, G. H. (1982). American graphics, 1860 to 1940: Selected from the collection of the Philadelphia Museum of Art. Philadelphia Museum of Art.
Chicago-viite (17. p.)Philadelphia Museum of Art, Rijksmuseum (Netherlands), Ellen S. Jacobowitz, ja George H. Marcus. American Graphics, 1860 to 1940: Selected from the Collection of the Philadelphia Museum of Art. Philadelphia, Pa.: Philadelphia Museum of Art, 1982.
MLA-viite (8. p.)Philadelphia Museum of Art, et al. American Graphics, 1860 to 1940: Selected from the Collection of the Philadelphia Museum of Art. Philadelphia Museum of Art, 1982.
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