(030502) Swartley, John C. The Cultivated Hemlocks. Portland, OR: Timber Press, 1984. 1st Edition. Hardcover. 4to. 186 pages. Fine in Very Good DJ. Color Photographs. DJ has slight fading and rear panel has a 3 inch closed,repaired tear at bottom edge of spine . A series of unfortunate events slowed the final publication of this definitive book. Now, thanks to the efforts of Humphrey Welch, a world- renowned conifer grower, and Dr. T. R. Dudley, research botanist at the U. S . Natioanl Arboretum, the book has been put into finat form and updated ISBN: 0917304748 (Eastern Hemlock, Tsuga, Dwarf Conifers)