Galston, Arthur William (1920–2008) letter to Militzer, Walter E., 6 November 1963, Box: 5, Folder: 61. William Winfield Ray collection of 20th century botanists correspondence and other materials, HIBDARC-0048. Hunt Institute for Botanical Documentation Archives. https://as.huntbot.org/repositories/2/archival_objects/4417 Accessed March 20, 2026.