B.Y. Morrison to Corrinne Murrah + P. Morrison's notice of B.Y.'s death, 1954–1966, https://huntbot.org/hibdarc/collections/341/341_Morrison_Bx1FF6_r.pdf. Hunt Institute for Botanical Documentation Archives. https://as.huntbot.org/repositories/2/digital_objects/6309 Accessed September 17, 2026.