Books by Carnegie Library of Pittsburgh. Technology department:
Books in the extended shelves:
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Carnegie Library of Pittsburgh. Technology department: Iron and steel wire; a bibliography. (Carnegie library of Pittsburgh, 1936), also by Ralph H. Phelps (page images at HathiTrust)- Carnegie Library of Pittsburgh. Technology Department: Scientific, technical and trade periodicals currently received by the Carnegie library of Pittsburgh. (Pittsburgh, 1940) (page images at HathiTrust; US access only)
- Carnegie Library of Pittsburgh. Technology department: Zinc coating (hot galvanizing); a bibliography (Carnegie library of Pittsburgh, 1936), also by Victor S. Polansky (page images at HathiTrust)
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