P.9479	8028	[American Sugar Refining Company, 1100 East Key Highway, Baltimore, Md.]	safety film negative	August 2, 1929
P.9479	8027	[American Sugar Refining Company, 1100 East Key Highway, Baltimore, Md.]	safety film negative ; Jennings print	August 2, 1929
P.9479	213544	[Apex Hosiery Company, southwest corner of 5th and Luzerne Streets, Philadelphia]	safety film negative	August 11, 1925
P.9479	213545	[Apex Hosiery Company, southwest corner of 5th and Luzerne Streets, Philadelphia]	safety film negative	August 11, 1925
P.9479	213546	[Apex Hosiery Company, southwest corner of 5th and Luzerne Streets, Philadelphia]	safety film negative	August 11, 1925
P.9479	213350	[Atwater Kent Manufacturing Company, 4700 Wissahickon Avenue, Philadelphia]	safety film negative	June 26, 1925
P.9479	7220	[Atwater Kent Manufacturing Company, aerial view, 4700 Wissahickon Avenue, Philadelphia]	safety film negative	April 10, 1929
P.9479	8095	[Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.]	safety film negative	July 29, 1929
P.9479	8096	[Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.]	safety film negative	July 20, 1929
P.9479	9549	[Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.]	nitrate negative ; Jennings print	ca. 1925
P.9479	9550	[Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.]	nitrate negative ; Jennings print	ca. 1925
P.9479	12431	[Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.]	PRINT ONLY; Jennings print	ca. 1925
P.9479	961	[Baldwin Locomotive Works Office Building, southwest corner of Broad and Spring Garden Streets, Philadelphia]	safety film negative ; 3 modern prints	1927
P.9479	6400	[Belmont Iron Works, Essington Avenue, Eddystone, Pa., aerial view]	safety film negative ; modern print	December 12, 1928
P.9479	11643	[Brown Instrument Company, Wayne and Roberts Avenues, Philadelphia]	nitrate negative ; modern print	ca. 1925
P.9479	11644	[Brown Instrument Company, Wayne and Roberts Avenues, Philadelphia]	nitrate negative ; 3 modern prints	ca. 1925
P.9479	MJ-23	[Campbell's Soup Company factory, Camden, N.J.]	nitrate negative ; 2 Jennings prints ; 2 modern prints	August 12, 1937
P.9479	321	[Campbell's Soup Company factory in Camden, N.J. from the Benjamin Franklin Bridge over the Delaware River]	safety film negative	October 4, 1930
P.9479	322	[Campbell's Soup Company factory in Camden, N.J. from the Benjamin Franklin Bridge over the Delaware River]	safety film negative ; modern print	October 4, 1930
P.9479	11638	[Dixie Cup Company factory, Easton, Pa.]	safety film negative ; modern print	February 5, 1931
P.9479	11639	[Dixie Cup Company factory, Easton, Pa.]	safety film negative ; Jennings print	February 5, 1931
P.9479	8256	[Esterbrook Steel Pen Manufacturing Company, Delaware Avenue and Cooper Street, Camden, N.J.]	glass plate negative	May 23, 1913
P.9479	7418	[Harrowgate Incinerator Plant, Ramona and G Streets, Philadelphia]	PRINT ONLY ; Jennings print	ca. 1925
P.9479	19855	[J.B. Van Sciver Company factory building, 1-9 Federal Street, Camden, N.J.]	nitrate negative ; modern print	ca. 1925
P.9479	4695	[John Warren Watson Company factory, Tulip Street and Aramingo Avenue, Philadelphia, Pa.]	safety film negative ; 2 modern prints	May 1, 1928
P.9479	4697	[John Warren Watson Company factory, Tulip Street and Aramingo Avenue, Philadelphia, Pa.]	safety film negative ; modern print	May 1, 1928
P.9479	213326	[Kieckhefer Container Company plant, Delair, N.J.]	safety film negative ; 2 modern prints	June 27, 1925
P.9479	213327	[Kieckhefer Container Company plant, Delair, N.J.]	safety film negative ; 2 modern prints	June 27, 1925
P.9479	212965	[R.C.A. Victor Talking Machine Company plant, from the Benjamin Franklin Bridge, Camden, N.J.]	safety film negative	ca. 1928
P.9479	MJ-25	[Rowland's Shovel Works, Frankford Avenue, Holmesburg, Pa.]	safety film negative	disagreement
P.9479	213694	[Westinghouse Electric and Manufacturing Company factory, 30th and Walnut Streets, Philadelphia]	nitrate negative ; modern print	September 14, 1925
P.9479	4324	[Westinghouse Electric and Manufacturing Company factory, 30th and Walnut Streets, Philadelphia]	safety film negative ; modern print	March 12, 1928 (March 27, 1924 ?)