81. Coke ovens and coal tipple, Fayette County, Penn. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
82. Columbus Steel Supply Co. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
83. Conowingo Dam and Power House, near Bel Air and Havre de Grace, Md. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
84. Corning Glass Works, Corning, N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
85. Corning Glass Works, Corning, N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
86. Cotton Gin near Little Rock, where cotton is pressed into bales Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
87. Cudahy packing plant, Albany, Ga. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
88. The dam and Woolen Mills, Old Town, Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
89. Dana Warp Mill at night, Westbrook, Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
90. Dayton Hessler Co., 913-915 No. State St., Syracuse, N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
91. Dennison Manufacturing Co., founded in 1844 by E. W. Dennison, Framingham, Mass. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
92. Dixie Cup Company, Easton, Pa. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
93. Dunkirk and Fredonia Telephone Building, serving Chautauqua Co., Fredonia, N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
94. Dutch Mill, Holland, Michigan Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
95. Dyke's Dairy Pasteurized Milk and Cream Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
96. E. M. Peet Manufacturing Co., Home office and factory, Council Bluffs, Iowa Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
97. East Georgia Peanut Co., Statesboro, Ga. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
98. Eastern Corporation, Bangor, Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
99. The Elbow on the Ohio River and power plant, Moundsville, W. Va. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
100. Electric Boat Company, Groton, Conn. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library