The pears of New York

by U. P. Hedrick

Leroy, Dict. Pom.

Dictionnaire de Pomologie. Par André Leroy. (Illustré.) Six Tomes. Paris: 1867-1879. Vols. 1 & 2. Pears.

Liegel, Syst. Anleit.

Systematische Anleitung zur Kenntniss der vorzüglichsten Sorten des Kern-, Stein-, Schalen- und Beerenobster. Von Georg Liegel. Passau: 1825.

Lindley, Guide Orch. Gard.

A Guide to the Orchard And Kitchen Garden; or, an account of the most valuable fruit and vegetables cultivated In Great Britain: with Kalendars of the Work Required in the Orchard and Kitchen Garden during every month in the year. By George Lindley. Edited by John Lindley. London: 1831.

Lindley, Pom. Brit.

Pomologia Britannica; or, Figures and Descriptions of the most important Varieties of Fruit cultivated in Great Britain. By John Lindley. Three Volumes. London: 1841. Vol. 2. Pears.

Lond. Hort. Soc. Cat.

A Catalogue of the Fruits Cultivated in the Garden of the Horticultural Society of London. London: 1826. Second edition, 1831. Third edition, 1842. A supplement was published in 1853.