Coba jelasin Galeri dari Thomas Pollock Anshutz dong

Griffin, Randall C. (2004). Homer, Eakins, & Anshutz: The Search for American Identity in the Gilded Age. University Park: Pennsylvania State University Press.

Schwartz, Sanford (1982). The Art Presence. New York: Horizon Press.

Sullivan, Mark.  "Pennsylvania Impressionism." Encyclopedia of Greater Philadelphia, online at philadelphiaencyclopedia.org.