"University of Minnesota. Department of Physics." . . "Mount Lemon Observatory." . . "Weeksville (New York, N.Y.)" . . "Bow Bells (N.D.)" . . "Chacataya (Bolivia)" . . "Challenger (Spacecraft) Accidents." . . "Minnesota Ballooning Project." . . "Africa, French-speaking West." . . . . . . . . . . . . . . . . . "Research (Document genres)"@en . . . . . . . . . "Technical reports"@en . . . "Edward Purdy Ney Papers"@en . "Photographs"@en . . "Technical drawings"@en . . . . . . . . . . "Aerial photographs"@en . . . . . . . . . . . "Patents"@en . . . "The collection consists of correspondence, research data, patent drawings, publications, and reports of Edward P. Ney, University of Minnesota physicist and astronomer best known for research in cosmic rays, the solar corona, zodiacal light, infrared astronomy, space photography, and radon gas."@en . "Teaching"@en . . . . . . . . . . . . . . . . . . . "Slides (Photography)"@en . . . . . . . . "Reprints (Publications)"@en . . . . . . . . "Laboratory notebooks"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Letters"@en . . "Winzen Corporation." . . "National Academy of Sciences (U.S.). Balloon Study Committee." . . "Maudon Observatory." . . "Narrabri (N.S.W.)" . . "Apollo 8 (Spacecraft)" . . . .