- Partly trifle browned. Slightly rubbed along extremities/ covers.
= The first two works: Nissen, BBI 1078 and 1077 and Landwehr, Dutch Books w. Col. Plates 89 and 93. "A gardener's son from Hesse, Johann Hermann Knoop developed into the founder of descriptive pomology." (Pomona's Harvest p.279). SEE ILLUSTRATION PLATE CXII.