Mansfield, Louise Buckingham (1876–1970) letter to Hunt, Rachel McMasters Miller (1882–1963), 6 December 1936, 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/4409 Accessed March 20, 2026.