- The Luquillo Mountains, forest resources and their history, Peter L. Weaver
- Panama Eco-Park, a protected urban forest, Peter L. Weaver
- U.S. Fish and Wildlife Service Refuges and other nearby reserves in southerwestern Puerto Rico, Peter L. Weaver and Joseph J. Schwagerl
- The San Lorenzo protected area, a summary of cultural and natural resources, Peter L. Weaver and Gerald P. Bauer
- The San Lorenzo protected area, Panama's Caribbean treasure, Peter L. Weaver, Gerald P. Bauer, and Belkys Jiménez