Kenrick, Am. Orch.
The New American Orchardist. By Wilham Kenrick. Boston: 1832. Second edition revised, 1835. Seventh edition, enlarged and improved, with a supplement, 1844.
Knoop, Fructologie
Part I. Pomologie ou Description Meilleures Sortes de Pommes et de Poires. Part II. Fructologie ou Description des Arbres Fruitiers. Par Jean Herman Knoop. Amsterdam: 1771.
Koch, Deut. Obst.
Die Deutschen Obstgeholze. By Karl Koch. Two Parts. Stuttgart: 1876.
Kraft, Pom. Aust.
Pomona Austriaca. Abhandlung von dem Obstbaumen. By Johann Kraft. Wein: 1792.
Lange, Allgem. Garten.
Allgemeines Gartenbuch. By Theodore Lange. Two Volumes. Second Edition, Leipsic: 1879.