World Meteorological Organization (WMO) Commission for Synoptic Meteorology [CSM], working group on networks correspondence (folder 1 of 2), 1958-1961

World Meteorological Organization (WMO) Commission for Synoptic Meteorology [CSM], working group on networks correspondence (folder 1 of 2), 1958-1961, - 06 PDT 5 Sub- 4 Box 17 Folder 2, Box: 17, Folder: 2. Philip Duncan Thompson Papers, - 06-PDT. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/1691 Accessed December 19, 2025.