Sanborn Map Company & Library of Congress. Geography and Map Division. (1983). Sanborn fire insurance maps. Chadwyck-Healey.
Lua i Stíl Chicago (17ú heag.)Sanborn Map Company agus Library of Congress. Geography and Map Division. Sanborn Fire Insurance Maps. [Teaneck, N.J.]: Chadwyck-Healey, 1983.
Lua MLA (8ú heag.)Sanborn Map Company agus Library of Congress. Geography and Map Division. Sanborn Fire Insurance Maps. Chadwyck-Healey, 1983.
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