RT Unpublished Material DB /z-wcorg/ DS http://worldcat.org ID 122559935 LA English T1 Dietrich Lange papers, A1 Lange, D., Ball, Joseph., Bonnell, E. N., Clapp, Moses E., Kellogg, Frank B., Lange, Otto Frederick., Pinchot, Gifford,, YR 1889 AB Correspondence, clippings, notebooks, diaries, and manuscripts of novels (1912-1925) and articles by Lange, a Minnesota author, naturalist, and educator. They focus mainly on his summer excursions into the wilderness to study nature, and the writings that resulted from those excursions, particularly his observations on wildlife and its conservation and his boys' outdoor stories relating to Indian life and Minnesota animals and plants. Included are a few letters (1923-1924) in German from friends and relatives in Germany describing conditions there. Some of Lange's manuscripts are in German, as well. Also included are maps of Itasca State Park and other regions in Minnesota and of Isle Royale, Michigan; and music for "Minnesota" with lyrics by Lange.