Sanborn Map Company & Library of Congress. Geography and Map Division. (1983). Sanborn fire insurance maps. Chadwyck-Healey.
Chicago-viite (17. p.)Sanborn Map Company ja Library of Congress. Geography and Map Division. Sanborn Fire Insurance Maps. [Teaneck, N.J.]: Chadwyck-Healey, 1983.
MLA-viite (8. p.)Sanborn Map Company ja Library of Congress. Geography and Map Division. Sanborn Fire Insurance Maps. Chadwyck-Healey, 1983.
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