Studies in outdoor recreation : search and research for satisfaction /

by Manning, Robert E., 1946-.
Published 1986

Parks and carrying capacity : commons without tragedy /

by Manning, Robert E., 1946-.
Published 2007

Walks of a lifetime : extraordinary hikes from around the world /

by Manning, Robert E., 1946-, Manning, Martha S.,
Published 2017

Managing outdoor recreation : case studies in the national parks /

by Manning, Robert E., 1946-, Anderson, Laura E.,, Pettengill, Peter R., 1981-
Published 2017