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An Analysis of a Slum Area in Cleveland

Spirit Leveling in Texas 1896 to 1915, Inclusive

Spirit Leveling in New York, 1896-1905 and 1912-1916

Spirit Leveling in West Virginia, 1896 to 1915, Inclusive

Historical Atlas

Results of Spirit Leveling in Michigan, 1911 and 1913

Results of Spirit Leveling in New York, 1906 to 1911, Inclusive

Settlements, Kinship and Hunting Grounds in Traditional Greenland

Results of Spirit Leveling in Pennsylvania, 1899 to 1911, Inclusive

Spirit Leveling in Ohio