Author
American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc Philadelphia Chapter
2
Birkinbine, Martin & Trotter
2
Nesbitt, John J. III
2
Abbott, Charles C. 1843-1919
1
Adams, Sean P.
1
American Imprint Collection (Library of Congress)
1
Anthracite Bureau of Information (Philadelphia)
1
Anthracite Industries, Inc. (N.Y.)
1
Baltimore and Ohio Railroad Company
1
Benson, Gertrude
1
Crawford, Adair, 1748-1795
1
Dulles, Heatly Courtonne
1
E. Keeler Company
1
Graham, Daniel A., 1948-
1
Kirkbride, Thomas Story, 1809-1883
1
Kitson Hydro-Carbon Heating and Incandescent Lighting Co
1
Levine, Adam
1
Mason, Otis Tuftman, 1838-1908
1
Morin, M. 1795-1880
1
National District Heating Association
1
Nesbitt, John J., III
1
Nylander, Jane C., 1938-
1
Pennsylvania Governor (1903-1907 : Samuel W. Pennypacker)
1
Pettibone, Daniel
1
Philadelphia Bicycle Club
1
Philadelphia Record
1
Philadelphia Solar Energy Association
1
Philadelphia Steam Heating Company
1
Rau, Charles, 1826-1887
1
Sax, Kathy
1
Skirving, John
1
Smithsonian Institution
1
Stifler, Susan Reed, 1884-1987
1
Taylor, William B. 1821-1895
1