found: nuc88-72461: His Living with the changed world climate, 1982(hdg. on MCM rept.: Roberts, Walter Orr; usage: Walter Orr Roberts)
found: LC data base, 5-31-89(hdg.: Roberts, Walter Orr)
found: Remembering Walt Roberts, c1991:t.p. (Walt Roberts) p. 216 (Walter Orr Roberts; b. Aug. 20, 1915; d. Mar. 12, 1990)
found: University of Colorado archives, February 13, 2020(Walter Orr Roberts was an internationally celebrated solar astronomer and a principal figure in many scientific developments in Colorado. Superintendent of the High Altitude Observatory in Climax, Colorado from 1940 to 1957, Roberts was named founding director of the National Center for Atmospheric Research (NCAR) in Boulder, Colorado in 1960. He served as director of NCAR from 1960 to 1968, as well as President and CEO of the University Corporation for Atmospheric Research (UCAR) from 1960 to 1973, continuing as an active trustee of UCAR until his death.)