Landscape perspectives, photographic studies : essays and catalogue : exhibition and symposium, February 23-March 21, 1986 / Jean S. Tucker ; with foreword by Beaumont Newhall
Plant systematics : a phylogenetic approach / Walter S. Judd (University of Florida), Christopher S. Campbell (University of Maine), Elizabeth A. Kellogg (Donald Danforth Plant Science Center, St. Louis), Peter F. Stevens (University of Missouri, St. Louis; Missouri Botanical Garden), Michael J. Donoghue (Yale University)