Richard Upjohn

1. Wood, Charles B. (1967): The John Hare Powel House: New Material on John McArthur, Jr., Hoxie & Button, and Richard Upjohn. Dans: Journal of the Society of Architectural Historians, v. 26, n. 2 (mai 1967), pp. 148-153.

   https://doi.org/10.2307/988418

2. Hull, Judith S. (1993): The "School of Upjohn": Richard Upjohn's Office. Dans: Journal of the Society of Architectural Historians, v. 52, n. 3 (septembre 1993), pp. 281-306.

   https://doi.org/10.2307/990836