Philadelphia Academy of Fine Arts:

Library Company of Philadelphia:

Philadelphia Museum of Art: “Learning from Frank Furness: Louis Sullivan in 1873”

Video: Dolobran House | Watch Experience Online | WHYY Video

Friends of Frank Furness:

Frankford Historical Society:

Art in the Age: Furnessadelphia

Athenaeum of Philadelphia: Frank Furness: His City, His World

Nathaniel Popkin interview with George Thomas in Hidden City

Micheal Lewis, “Building Power”, Wall Street Journal, November 7, 2012,