• Map
    The twin ports, Superior, Wisconsin, Duluth, Minnesota. Perspective map not drawn to scale. Bird's-eye-view. LC Panoramic maps (2nd ed.), 1060 Available also through the Library of Congress Web site as a raster image. AACR2: 100; 651/1; 651/2
    • Contributor: Wellge, H. (Henry) - Freeman Eng. Co. - Northern Scenic Publishing Company - Wellge, H.
    • Date: 1915
  • Map
    View of Duluth, Minn. 1883. Perspective map not drawn to scale. Bird's-eye-view. LC Panoramic maps (2nd ed.), 385 Available also through the Library of Congress Web site as a raster image. Includes illus. and index to points of interest. AACR2
    • Contributor: Wellge, H. (Henry) - Stoner, J. J. - Beck & Pauli - Wellge, H.
    • Date: 1883
  • Map
    Perspective map of Duluth, Minn. 1887. Perspective map not drawn to scale. Bird's-eye-view. LC Panoramic maps (2nd ed.), 386 Available also through the Library of Congress Web site as a raster image. Indexed for points of interest. AACR2: 100; 651/1; 710/1
    • Contributor: Wellge, H. (Henry) - Beck & Pauli - Duluth News Co. - Wellge, H.
    • Date: 1887