Title: Knollbrook, Home of J. Howard Pew, Haverford Abstract: J. Howard Pew purchased Knollbrook from the sons of I. Layton Register in 1917; Lindley Johnson had designed the early Knollbrook but J. Howard Pew had William W. Potter design the additions Keywords: Pew, J. Howard/Knollbrook/Register, I. Layton/Johnson, Lindley/Potter, William W. Source: Lower Merion Historical Society Archives Binder: 5 Collection: W. Robert Swartz