Larsen, Kai. “OBITUARY: Gunnar Seidenfaden (1908–2001)”. Thai Forest Bulletin (Botany), no. 29 (December 15, 2014): 188–192. Accessed February 8, 2023. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24908.