Architectural Plans--Philadelphia--20th century 6 Architectural Plans 2 Architects--Philadelphia--19th and 20th centuries 1 Architectural Plans--Philadelphia--19th century 1 Architecture--20th Century 1 Architecture--Residential--Row Houses 1 Architecture--United States 1 more ... Built Environment--Main Line (PA)--20th century 1 Cliveden--Germantown, Pa 1 Duke University--Architecture 1 Estates and Manors--20th century 1 Furness, Evans and Company 1 Hotels--Atlantic City (N.J.) 1 Independence Hall (Philadelphia, Pa) 1 McLanahan, M. Hawley (1865-1929) 1 Price, William Lightfoot (1861-1916) 1 Real Estate--Pennsylvania--Philadelphia--20th century 1 less ...