| # of Copies | Title | Author |
|---|
| 249 | Circle William | Bill Harlow |
| 32 | Inside Wood, Masterpiece of Nature | William M. Harlow |
| 28 | Fruit Key and Twig Key to Trees and Shrubs | William M. Harlow |
| 21 | Trees of Eastern and Central United States and Canada | William M. Harlow |
| 20 | Circle William (4 Cassettes) | Bill Harlow |
| 19 | Ways of the Woods: A Guide to the Skills and Spirit of the Woodland Experience | William Morehouse Harlow |
| 13 | Textbook of Dendrology, Covering the Important Forest Trees of the United States and Canada | William Morehouse Harlow |
| 12 | Textbook of Dendrology | William Morehouse Harlow |
| 12 | Textbook of Dendrology | Harlow, William M. Harlow, William M. |
| 9 | Twig Key to the Deciduous Woody Plants of Eastern North America | William M. Harlow |
| 8 | Fruit Key and Twig Key to Trees and Shrubs | Harlow, William M |
| 7 | Art Forms from Plant Life | William Morehouse Harlow |
| 7 | Fruit Key and Twig Key to Trees and Shrubs; Fruit Key to Northeastern Trees, Twig Key to the Deciduous Woody Plants of Eastern North America | William M. Harlow |
| 4 | An Introduction to Early English Literature: From the Lay of Beowulf to Edmund Spenser (1884) | William Burt Harlow |
| 3 | Fruit Key to Northeastern Trees | William H. Harlow |
| 3 | Life of Samuel S. Cox | Cox, William Van Zandt And Milton Harlow Northrup |
| 3 | Trees of the Eastern United States and Canada | William M. Harlow |
| 3 | Trees of the Eastern United States and Canada-Their Woodcraft and Wildlife Uses | William M. Harlow |
| 2 | Circle William: A Novel | Captain bill, bill Harlow, usn (retired) |
| 2 | Duties Of Sheriffs And Constables | William Sturtevant Harlow |
| 2 | Ev'Rything's Been Done Before "Reckless" (Everything's Been Done Before) Cover Photo: Jean Harlow | Harold Adamson, Allan Jones, Jack King And Edwin Knopf, Jean Harlow, William Powell |
| 2 | Fruit key and twig key to trees and shrubs: Fruit key to northeastern trees and Twig key to the desiduous [sic] woody plants of eastern North America | Harlow, William Morehouse |
| 2 | Patterns of Life; the Unseen World of Plants | Harlow, William Morehouse, |
| 2 | Patterns of Life; the Unseen World of Plants | William Harlow |
| 2 | Poison Ivy and Poison Sumac | William M. Harlow |
