Topographical Map of Land of Atwater Kent Manufacturing Co., 38th Ward, Philadelphia (before 1928)
Drawing entitled Atwater Kent Mfg. Co., Philadelphia, Pa., Plant No. 7, First Story. The Ballinger Company (1928)
Drawing entitled 5000 Wissahickon Avenue, North and East Elevations. Leon Clemmer A.I. A. & Associates, Wyncote, Pennsylvania, for the General Services Administration, Public Buildings Service, Washington, D. C. (undated)
North Plant, Northwest Elevation and North Elevation (undated)
Drawing entitled Atwater Kent Mfg. Co., Philadelphia, Pa., Plant No. 7, Elevation and Plan of Bridge. The Ballinger Company (1928)
Drawing entitled "Atwater Kent Mfg. Co., Philadelphia, Pa., Plant No. 7, Office Entrances, Wissahickon Avenue." The Ballinger Company (1928))
North Plant, Details of Trusses and Roof Framing. The Ballinger Company (1928)
Storehouse of Philadelphia Signal Depot, U.S. Army Corps of Engineers, War Department (1942)