Leja, M. (2016). Expanding the audience for art in the 19th century at the Pennsylvania Academy of the Fine Arts. Philadelphia, PA: Department of the History of Art, University of Pennsylvania.

Leja, Michael. Expanding the Audience for Art in the 19th Century At the Pennsylvania Academy of the Fine Arts. Philadelphia, PA: Department of the History of Art, University of Pennsylvania, 2016.

Leja, Michael. Expanding the Audience for Art in the 19th Century At the Pennsylvania Academy of the Fine Arts. Philadelphia, PA: Department of the History of Art, University of Pennsylvania, 2016.