Le Gear, C. E. (1950). United States atlases: A list of national, state, country, city and regional atlases in the Library of Congress. Washington: Library of Congress, Reference Department.
Chicago Style CitationLe Gear, Clara Egli. United States Atlases: A List of National, State, Country, City and Regional Atlases in the Library of Congress. Washington: Library of Congress, Reference Department, 1950.
MLA CitationLe Gear, Clara Egli. United States Atlases: A List of National, State, Country, City and Regional Atlases in the Library of Congress. Washington: Library of Congress, Reference Department, 1950.