KNOOP, Johann Hermann (ca 1706-1769). Pomologie, ou Description des Meilleures Sortes de Pommes et de Poires. [Bound with:] Fructologie, ou Description des Arbres Fruitiers. Amsterdam: M. Magerus, 1771. 2 works bound in one, small folio (333 x 205 mm). 39 engraved plates with hand-coloring. (A few minor stains.) Contemporary calf-backed marbled boards, spine in 6 compartments with 5 raised bands gilt, uncut (hinges and joints repaired); quarter morocco folding case. Provenance: The Horticultural Society of New York (gift bookplate from Kenneth K. Mackenzie, October 1934). FIRST EDITION IN FRENCH, first published in 1758 at Leeuwarden in Dutch. Knoop, considered to be the founder of the field of pomology, was the first to publish scientific explanations of apples and pears from the Netherlands, Germany, England and France. Brunet III: 681; Dunthorne 171; Nissen BBI 1077, 1079; Oak Spring Pomona, p. 131. A FINE COPY. [With:] KNOOP. Fructologia, of Beschryving der Vrugtbomen en Vrugten. Leeuwarden: Abraham Ferwerda and Gerrit Tresling, 1763. Folio (370 x 266 mm). Title-page printed within red typographic border; 19 engraved plates with hand-coloring. Contemporary red roan-backed marbled boards uncut (some light wear); quarter calf folding case. FIRST EDITION. Dunthorne 171; Nissen BBI 1078.