Joan Gibb Engel

The Indiana Dunes Revealed: The Art of Frank V. Dudley  James R. Dabbert J. Ronald Engel Joan Gibb Engel Wendy Greenhouse William H. Gerdts Hardcover. University of Illinois Press, 2006-07-14 ISBN 9780252031397     The Indiana Dunes Revealed: The Art of Frank V. Dudley  James R. Dabbert J. Ronald Engel Joan Gibb Engel Wendy Greenhouse William H. Gerdts Paperback. University of Illinois Press, 2006-07-14 ISBN 9780252073786     Ecology, Justice, and Christian Faith: A Critical Guide to the Literature (Bibliographies and Indexes in Religious Studies)  Peter W. Bakken Joan Gibb Engel J. Ronald Engel Hardcover. Greenwood Press, 1995-11 ISBN 9780313290732     Ethics Of Environmental Development, New ed  J.Ronald Engel Joan Gibb Engel Paperback. John Wiley and Sons Ltd, 1992-05-19 ISBN 9781852932510     Ethics of Environment and Development: Global Challenge, International Response  Joan Gibb Engel Paperback. University of Arizona Press, 1991-07 ISBN 9780816512638