Sign in to access WMTS endpoints.
Sign in to download GeoTIFF.
Sign in to export as IIIF.
Compare
Website
White male illiteracy.
3566.027
pilot4
Map showing the illiteracy of the adult white male population. Compiled from the returns of population at the ninth census of the United States 1870. By Francis A. Walker. (Julius Bien, Lith., 1874)
1874
Walker, Francis Amasa, 1840-1897
U.S.
38 × 51 cm
1 : 7100000
