• A Perspective on Art in Lancaster and Chester Counties, Pennsylvania • Dorothy Landis, Library of Congress
• Lucius Crowell, Marquis Who’s Who in America 44th and 45th editions; Who’s Who in American Art 23rd edition; Who’s Who in the East 21st edition; Who’s Who in America, Volume 9
• Hopkinson House Living Monument to Modern History, Neil Zoren (Philadelphia Panorama on pages 20 – 21) (Link)
• Holiday, August 1954
• ABUNDANT VARIETY MARKS ART SHOWS; Paintings of Lucius Crowell and Still-Lifes of Mary Jane Holmes at Local Galleries, New York Times March 18, 1950 (Link)
• Paintings and Prints by Chicago Artists, February 28 to March 30, 1933, Whitney Museum of American Art, NYC NY (Link)
• Thirty-Sixth Annual Exhibition of Artists of Chicago and Vicinity January 28 to March 20, 1932 • The Art Institute of Chicago (Link)
• American Paintings and Scultures • Forty-Seventh Annual Exhibition October 22 to December 6, 1936 • The Art Institute of Chicago (Link)
• Pennsylvania Academy of Fine Arts • Greenfield American Art Resource • On-line Collection Directory (Link)
• In Chester Springs, Art for the Sake of History, Charles McCurdy April 17, 1988 Philly.com (Link)
• An Invited Group Exhibition by Painters Lucius Crowell, et al March 20 through April 7, 1966 Woodmere Art Gallery 1966 (Link)
• Artist Crowell Shows His Work, Wilmington Star, p 10-11 December 27, 1953 (Link)
• Delaware Art Museum • Institutional Archives • Exhibition History 1970 – 1979 (Link)
• College Art Association of America Newsletter, Susan Bell ed., Spring 1986 p3 (Link)
• Temple University School of Pharmacy Art Collection (Link)
• National Institutes for Health • US National Library of Medicine Catalog • Woman’s Medical College of Pennsylvania (Link)