Books by Rachel Herring Sangree:
Books in the extended shelves:
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Sangree, Rachel Herring: Covered bridges and the birth of American engineering (Washington, D.C. : National Park Service, Historic American Engineering Record, 2015., 2015), also by David A. Simmons, Michael R. Harrison, M. K. Reckard, Richard O'Connor, Dario A. Gasparini, Sheila Rimal Duwadi, Joseph D. Conwill, Lola Bennett, James Barker, Christopher H. Marston, Justine Christianson, Turner-Fairbank Highway Research Center, and Historic American Engineering Record (page images at HathiTrust)
Find more by Rachel Herring Sangree at your library, or elsewhere.