The W.P. Wilstach collection.

Antzeko izenburuak

• Catalogue of the W.P. Wilstach Collection : Memorial Hall, Fairmount Park, Philadelphia, edited by Carol H. Beck, supplement.
  Argitaratua: (1897)
• Catalogue of the W.P. Wilstach collection : Memorial Hall, Fairmount Park, Philadelphia, 1904 / edited by Carol H. Beck.
  Argitaratua: (1904)
• Catalogue of the W.P. Wilstach collection : Memorial hall, Fairmount park Philadelphia, 1907 / edited by Carol H. Beck.
  Argitaratua: (1907)
• Catalogue of the W.P. Wilstach Collection : Memorial Hall, Fairmount Park, Philadelphia / edited by Carol H. Beck.
  Argitaratua: (1908)
• Catalogue of the W.P. Wilstach Collection, Memorial Hall, Fairmount Park, Philadelphia; edited by Carol H. Beck.
  Argitaratua: (1902)