Published References

• Historic American Buildings Survey (HABS) Collection at the Library of Congress
  Links: View citation information
  Client/Project Name: Drexel & Company (HABS PA-1503)
   
• Thomas, George E.Buildings of Pennsylvania Philadelphia and Eastern Pennsylvania, Society of Architectural Historians, University of Virginia Press, Charlottesville, 2010, p. 95
  Links: View citation information
  Client/Project Name: Drexel & Company / Drexel Building
  Architect Referenced: Day & Klauder (1913 - 1927)
   
• National Register. (National Register Information System)
  Links: View citation information
  Client/Project Name: Drexel and Company Building
   
• Pennsylvania Cultural Resources Geographic Information System, a cooperative venture of the Pennsylvania Historical & Museum Commission and the Pennsylvania Department of Transportation.
  Links: View citation information
  Client/Project Name: Drexel & Company Building
   
• Webster, Richard J., Philadelphia Preserved. Philadelphia: Temple University Press, 1976., p. 127-128, 348
  Links: View citation information | Buy this book at Amazon.com
  Client/Project Name: Drexel & Company / Drexel & Company Building
   
• Teitelman, Edward, and Richard W. Longstreth. Architecture in Philadelphia: A Guide. Cambridge: MIT Press, 1974., p. 88
  Links: View citation information
  Client/Project Name: Drexel & Company / Drexel & Company Building
   
• Pennsylvania Historical and Museum Commission Cultural Resources Database
  Links: View citation information
  Client/Project Name: Drexel & Company Building
   
• Philadelphia Register of Historic Places (Imported)
   
• HABS/HAER/HALS list for Philadelphia and surrounding counties (imported November 8, 2001)
   
• National Register Information System database (imported May 8, 2001)
   

Drawings, Photos, Papers, etc.

• Architectural Archives of the University of Pennsylvania - Day & Klauder Collection
  Holding Name: Drexel & Company / Drexel & Company Building
  Quantity: 1 item, Call Number: 069.110.99
  Architect Referenced: Day & Klauder (1913 - 1927)
   
• Architectural Archives of the University of Pennsylvania - Day & Klauder Collection
  Holding Name: Drexel & Company / Drexel & Company Building
  Quantity: 33 sheets, Call Number: 069.13
  Architect Referenced: Day & Klauder (1913 - 1927)
   
• Architectural Archives of the University of Pennsylvania - Day & Klauder Collection
  Holding Name: Drexel & Company / Drexel & Company Building
  Quantity: 46 items, Call Number: 069.53; 069.94; 069.200
  Architect Referenced: Day & Klauder (1913 - 1927)
   
• Architectural Archives of the University of Pennsylvania - Samuel Yellin Collection
  Holding Name: Drexel & Co. / Drexel & Co.; wrought iron grilles (job #2739)
  Quantity: 3 sheets, Call Number: 049.1935
  Architects Referenced: Klauder, Charles Zeller (1872 - 1938); Yellin, Samuel (1885 - 1940)
   
• Architectural Archives of the University of Pennsylvania - Samuel Yellin Collection
  Holding Name: Drexel & Co. / Drexel & Co.; wrought iron grilles (job #2739)
  Quantity: 2 folders, Call Number: 049.334-.335
  Architects Referenced: Klauder, Charles Zeller (1872 - 1938); Yellin, Samuel (1885 - 1940)
   
• Architectural Archives of the University of Pennsylvania - Samuel Yellin Collection
  Holding Name: Drexel & Co. / Drexel & Co.; valances for fireplaces (job #2748)
  Quantity: 1 folder, Call Number: 049.335
  Architects Referenced: Klauder, Charles Zeller (1872 - 1938); Yellin, Samuel (1885 - 1940)
   
• Athenaeum of Philadelphia - James Dillon Collection
  Holding Name: Drexel & Company / Drexel Office Buildling
  Quantity: 1 item, Call Number: 32-P-041
  Architect Referenced: Frank Miles Day & Bro. (fl. 1893 - 1911)
   
• Athenaeum of Philadelphia - Ketcham Collection
  Holding Name: Drexel & Company / Drexel Building
  Quantity: 6 drawings : pencil on paper ; , Call Number: KET1899*001. DAK; KET1899*002; KET1899*003; KET1899*004; KET1899*005; KET1899*006
  Architects Referenced: Day & Klauder (1913 - 1927); O. W. Ketcham Terra Cotta Works
   
• Philadelphia Historical Commission - Philadelphia Historical Commission Files
  Holding Name: 1435-1441 Walnut Street; Drexel Building
  Quantity: 4 folders (incl. 32 photographs)
   

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