Philadelphia Museum of Art. Memorial Hall. Wilstach Collection, Fairmount Park Commission (Philadelphia, Pa.), Memorial Hall (Philadelphia, Pa.), Wilstach, W. P., Brockwell, M. W., & Bye, A. E. (1922). Catalogue of the W.P. Wilstach collection: Memorial Hall. Commissioners of Fairmount Park.
Lua i Stíl Chicago (17ú heag.)Philadelphia Museum of Art. Memorial Hall. Wilstach Collection, Pa.) Fairmount Park Commission (Philadelphia, Pa.) Memorial Hall (Philadelphia, W. P. Wilstach, Maurice Walter Brockwell, agus Arthur Edwin Bye. Catalogue of the W.P. Wilstach Collection: Memorial Hall. Philadelphia, Pa.: Commissioners of Fairmount Park, 1922.
Lua MLA (8ú heag.)Philadelphia Museum of Art. Memorial Hall. Wilstach Collection, et al. Catalogue of the W.P. Wilstach Collection: Memorial Hall. Commissioners of Fairmount Park, 1922.