21. Air view of Bourne Bridge, over Cape Cod Canal, Mass. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
22. Air view of Groton - New London Bridge on Thames River, New London, Conn. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
23. Air view of new Bourne Bridge over Cape Cod Canal, Mass. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
24. Air view of Portland, Oregon, Business District, 5 main bridges and east side in background Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
25. Air view of Spokane Wash., showing its seven bridges and five waterfalls in the heart of the city Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
26. Airplane view of Belfast Maine Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
27. Airplane view of Huntingdon looking west. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
28. Airplane view showing bridge over Synepuxent Bay, Ocean City, Maryland Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
29. Akron, Ohio Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1960–1979] Institution: Boston Public Library
30. Allegheny River Bridge near the Allegheny Valley Interchange on the Pennsylvania Turnpike Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
31. Allegheny River Viaduct Junction Route 346 & 446 Eldred, Pa. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
32. Appomattox River Bridge entrance to Hopewell, Va. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
33. Approach to Memorial Bridge between Kittery, M.E., and Portsmouth, N.H. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
34. Approach to the Sagamore Bridge, Cape Cod, Mass. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
35. Approach to Troy and Menands Bridge, Troy, N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
36. Approach to Troy and Menands Bridge, Troy, N. Y. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
37. Approaching French King Bridge, Greenfield, Mass. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
38. Approaching French King Bridge, Greenfield, Mass. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
39. Approaching Interstate Bridge, between Kittery, Me. and Portsmouth, N.H. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library
40. Aquedoctan Bridge, Weirs Beach, Lake Winnipesaukee, N.H. Format: Postcards/Cards Collection: Tichnor Brothers Postcard Collection Date: [ca. 1930–1945] Institution: Boston Public Library