“Germplasm Release of ‘Lincoln Logan,’ a Tissue Culture-Derived Genetic Thornless ‘Loganberry’”. Journal of the American Pomological Society 40, no. 4 (October 1, 1986): 134–135. Accessed February 11, 2026. https://journal.americanpomological.org/index.php/jofaps/article/view/1698.