Submissions from 2014
Semi-Wild Chimpanzees Open Hard-Shelled Fruits Differently Across Communities, Bruce Rawlings, Marina Davilla-Ross, and Sarah T. Boysen
Submissions from 2011
Comprehension of Functional Support by Enculturated Chimpanzees Pan troglodytes, Anna M. Yocom and Sarah T. Boysen
Submissions from 2010
Capuchins (Cebus apella) Can Solve a Means-End Problem, Anna M. Yocom and Sarah T. Boysen
Submissions from 2009
Constructive and Deconstructive Tool Modification by Chimpanzees (Pan troglodytes), Amanda E. Bania, Stephany Harris, Hannah R. Kinsley, and Sarah T. Boysen
Submissions from 1999
Tool Use in Captive Gorillas, Sarah T. Boysen, Valerie A. Kuhlmeier, Peter Halliday, and Yolanda Muldonado Halliday
Submissions from 1995
Comprehension of Cause-Effect Relations in a Tool-Using Task by Chimpanzees (Pan troglodytes), Luca Limongelli, Sarah T. Boysen, and Elisabetta Visalberghi
