Brown, H. G. 1., & Brown, M. O. (. (1950). A directory of the book-arts and book trade in Philadelphia to 1820: Including painters and engravers. New York: The New York Public Library.

Brown, H. Glenn 1903-, and Maude O. (Larsen) Brown. A Directory of the Book-arts and Book Trade in Philadelphia to 1820: Including Painters and Engravers. New York: The New York Public Library, 1950.

Brown, H. Glenn 1903-, and Maude O. (Larsen) Brown. A Directory of the Book-arts and Book Trade in Philadelphia to 1820: Including Painters and Engravers. New York: The New York Public Library, 1950.