_Raii. Hist._--Historia Plantarum, Joannis Raii. 3 vols. fol., _Londini_, 1686, 1693, and 1704.
_Rea Pom._--Flora, Ceres, et Pomona, by John Rea. 1 vol. fol. _London_, 1665.
_Riv. Cat._--Catalogue of Fruit Trees cultivated by Thomas Rivers, nurseryman, Sawbridgeworth, Herts, V. Y.
_Riv. et Moul. Meth._--Methode pour bien cultiver les Arbres Fruits et pour élever des Treilles. par De La Riviere & Du Moulin. 1 vol. 12mo., _Utrecht_, 1738.
_Rog. Fr. Cult._--The Fruit Cultivator, being a practical and accurate description of all the most esteemed species and varieties of Fruit, cultivated in the Gardens and Orchards of Britain, by John Rogers. 1 vol. 8vo., _London_, 1837.
_Ron. Cat._--Catalogue of Fruit Trees cultivated by Hugh Ronalds and Sons, Brentford, Middlesex.
_Ron. Pyr Mal._--Pyrus Malus Brentfordiensis; or a concise description of selected apples, with a figure of each sort, by Hugh Ronalds. 1 vol. 4to., _London_, 1831.
_Salisb. Orch._--Hints addressed to proprietors of Orchards and to growers of fruit in general, &c. &c., by William Salisbury. 1 vol. 8vo., _London_, 1816.
_Saltz. Pom._--Pomologie oder Fruchtlehre enthaltend eine Anweisung alles in freier Luft unseres klimas Wachsende Obst, &c., zu erkennen, von F. Z. Saltzmann. 1 vol. 8vo., _Berlin_, 1793.
_Schab. Prat._--La Pratique du Jardinage, par. L’Abbé Roger Schabol. 2 vols. 8vo., _Paris_, 1774.
_Sickler Obstgärt._--Der Teutsche Obstgärtner, von J. B. Sickler. 22 vols. 8vo., _Weimar_, 1794-1804.
_Switz. Fr. Gard._--The Practical Fruit Gardener, by Stephen Switzer. 1 vol. 8vo., _London_, 1724.
_Thomp._--Where this abbreviation is made use of, it refers to the authority of Mr. Robert Thompson, author of the Horticultural Society’s Catalogue of Fruits, and many valuable pomological and other scientific papers.
_Toll. Traité._--Traité des Végétaux qui composent l’Agriculture de l’empire Française par Tollard. 1 vol. 8vo., _Paris_, 1805.
_Tragus. Hist._--Hieronymi Tragi De Stirpium, &c. interprete Davide Kybro. 1 vol. 4to., _Argentorati_, 1552.
_Walter Gartenb._--Allgemeine Deutsches Gartenbuch, von J. J. Walter. 1 vol. 8vo, _Stuttgart_, 1799.
_West. Bot._--The Universal Botanist and Nurseryman, containing descriptions of the species and varieties of all the Trees, Shrubs, Herbs, Flowers, and Fruits, native and exotics, &c., by Richard Weston. 4 vols. 8vo., _London_, 1770, 1774.