| Cooperative sharing is the only way to produce a book like this one. Page after page in this volume reveals how I have borrowed from others. My gratitude extends to both the deceased authors whose quotes enliven these pages, and to my contemporaries, especially the following who contributed letters or verbal communications on the subject of purpleleaf plums: Ronald G. Brightman, Edmonds, WA; L. E. Cooke Company, Visalia, CA; Lowell Cordas, San Martin, CA; John E. Elsley, Wayside Gardens, Hodges, SC; Mary Forrest, Dublin, Ireland; M. E. Gardner, Stribling's Nurseries, Merced, CA; Robert Hartman, Puyallup, WA; Henry Field's Nursery Company, Shenandoah, IA; Richard Hildreth, San Martin, CA; Robert Kourik, Santa Rosa, CA; Roy Lancaster, Chandlers Ford, England; Michael Lee, Seattle, WA; Elwyn M. Meader, Rochester, NH; Alan Mitchell, Farnham, England; Brian O. Mulligan, Seattle, WA; Esiquio Narro, Seattle, WA; E. Charles Nelson, Dublin, Ireland; Harold P. Olmo, Davis, CA; Graham Pattison, Woking, England; Samuel J. Rich, Portland, OR; Warren G. Roberts, Davis, CA; Joyce Sherlock, Stark Bro's Nurseries, Louisiana, MO; Brian R. Smith, South Dakota Experiment Station, Brookings; Floyd Swink, Morton Arboretum, Lisle, IL; Robert L. Ticknor, Aurora, OR; Paul Thomson, Bonsall, CA; John M. Tures, Huntley, IL; Ken Vogel, Minnesota Landscape Arboretum, Chanhassen; Keith Warren, J. Frank Schmidt & Son Company, Boring, OR; John Watson, New York Experiment Station at Geneva; Brad Watts, Valley Nursery, Poulsbo, WA; Jack A. Wick, California Association of Nurserymen; Peter F. Yeo, Cambridge, England; Floyd Zaiger, Modesto, CA. |
| Another great debt is to the authors and publishers who granted permission to quote copyrighted material. |
|
