Acosta, José de.   1590.   Historia natural y moral de las Indias.   Impr. en casa de Juan de León, Sevilla.   535 pp.

——   1880.   The natural and moral history of the Indies reprinted from the English translated edition of Edward Grimston, 1604.   Edited with notes and introduction by Clements R. Markham.   The Hakluyt Society, London.   2 vol.

Adams, J. S.   1875.   Note on wild orange groves.   Proc. Fla. Fruit Grow. Assoc. 1875:24.

Andrews, Alfred C.   1961.   Acclimatization of citrus fruits in the Mediterranean region.   Agr. Hist. 35(1):35-46.

Anonymous.   1858.   Report of the visiting committee.   Trans. Calif. State Agr. Soc. 1858:167-68.

——   1872.   Report of corresponding secretary.   Trans. Calif. State Agr. Soc. 1872:178-204.

Bartram, W.   1791.   Travels through North and South Carolina, Georgia, East and West Florida, etc., containing an account of the soil and natural productions of those regions.   Philadelphia.   520 pp.

——   1928.   The travels of William Bartram.   Macy-Masius, New York.   414 pp.

Bass, C. A.   1926.   Historical sketch of the D. C. Dummit grove at Allenhurst, which is supposed to be the oldest grove in Florida.   Proc. Fla. State Hort. Soc. 39:234-35.

Bowman, F. T.   1955.   Development of vigorous NSW citrus industry by pioneer horticulturists in the hills districts.   Citrus News 31(8):102-103.

Brown, J., Jr., and J. Boyd.   1922.   History of San Bernardino and Riverside Counties.   The Western Hist. Assoc., Madison, Wisconsin.   3 vol.

Browne, D. J.   1857.   The trees of America, native and foreign.   Harper & Bros., New York.   520 pp.

Brown, T. W.   1924.   The propagation and cultivation of citrus trees in Egypt.   Egypt. Min. Agr. Tech. Sci. Serv. Bul. 44:88 pp.

Burrill, T. J.   1878.   Pear blight.   Trans. Illinois State Hort. Soc. 11:114-16.

Butterfield, H. M.   1963.   History of subtropical fruits and nuts in California.   Univ. Calif. Div. Agr. Sci.   57 pp.   [

California State Board of Horticulture.   1892.   Annual report of the State Board of Horticulture of the state of California for 1892.   Sacramento, California.   463 pp.

Candolle, Alphonse de.   1886.   Origin of cultivated plants.   Second edition.   Kegan Paul, London.   468 pp.

Clavigero, Francisco Xavier.   1852.   Historia de la antigua ó baja California…Venice, 1789…Traducida del italiano por Nicolas Garcia de San Vicente.   Impr. de J. R. Navarro, Mexico.   252 pp.

Cobo, Bernarbé.   1890-95.   Historia del nuevo mundo…Escrito en el año 1653.   Con notas y otras illustraciones de D. Marcos Jiménez de la Espada.   E. Rasco, Sevilla.   4 vol.

Coit, J. Elliot.   1915.   Citrus Fruits.   The Macmillan Co., New York.   520 pp.

Dancy, F. L.   1875.   [Remarks]   Proc. Fla. Fruit Grow. Assoc. 1875:43.

Diaz del Castillo, Bernal.   1908-16.   The true history of the conquest of New Spain.   Edited and published in Mexico by Genario Garcia.   Translated into English with introduction and notes by Alfred Percival Maudslay.   The Hakluyt Society, London.   5 vol.

Downey, J. G.   1874.   More about orange culture.   Overland Mon. 12:560-62.

Duncan, A. L.   1892.   Best stocks for south Florida.   Proc. Fla. State Hort. Soc. 5:63-64.

Englehardt, Zephyrin.   1927.   San Gabriel Mission and the beginnings of Los Angeles.   San Gabriel Mission, San Gabriel.   369 pp.

Evans, Taliesin.   1874.   Orange culture in California.   Overland Mon. 12:235-44.

Fawcett, Howard S.   1936.   Citrus diseases and their control.   McGraw-Hill Book Co., Inc., New York and London.   656 pp.

——   1941.   Adventures in the plant-disease world.   University of California Press, Berkeley.   34 pp.

Ferrari, Giovanni Battista.   1646.   Hesperides; sive, De malorum aureorum cultura et usu libri quatuor.   Hermanni Scheus, Rome.   480 pp.

Fowler, J. H.   1875.   The Halifax and Indian River section.   Proc. Fla. Fruit Grow. Assoc. 1875:32-34.

Gallesio, Georges.   1811.   Traité du Citrus.   Louis Fantin, Paris.   381 pp.

——   1876.   Orange culture.   A treatise on the citrus family.   Translated from the French expressly for the Florida Agriculturist.   Charles H. Walton & Co., Jacksonville, Florida.   65 pp.

Gama, Vasco da.   1898.   A journal of the first voyage of Vasco da Gama, 1497-1499.   Translated and edited, with notes, an introduction, and appendices by E. G. Ravenstein.   The Hakluyt Society, London.   250 pp.

Garcilaso de la Vega, el Inca.   1609.   Primera parte de los commentarios reales que tratan del origen de los Yncas, reyes que sueron del Peru.   P. Crasbeek, Lisbon.   264 pp.

Garey, Thomas A.   1882.   Orange culture in California.   Pacific Rural Press, San Francisco, California.   227 pp.

Glidden, Harold W.   1937.   The lemon in Asia and Europe.   Jour. Amer. Orient. Soc. 57:381-96.

Gómara, Francisco Lopez de.   1554.   Historia de México.   Iuan Bellero, Anvers.   349 pp.

Goodenough, Erwin R.   1953-64.   Jewish symbols in the Greco-Roman period.   Pantheon Books Inc., New York.   11 vol.   (See specifically: Vol. 1, p. 276.)

Gunther, R. T. (ed.).   1959.   The Greek herbal of Dioscorides.   Illustrated by a Byzantine A. D. 512.   Englished by John Goodyear A. D. 1655.   Hafner Publishing Co., New York.   701 pp.

Han Yen-chih.   1923.   Han Yen-chih's Chü lu [written 1178].   Monograph on the oranges of Wên-chou, Chekiang.   Translated by Michael J. Hagerty, with introduction by Paul Pelliot.   T'oung Pao [Leiden], Ser. 2, 22:63-96.

Harris, A. J.   1875.   The wild orange groves of Florida.   Proc. Fla. Fruit Grow. Assoc. 1875:27-29.

Hawkinson, H. W.   1936.   Hesperides, or the culture and use of the golden apples.   Translation of Books I and IV of Johannus Baptista Ferrarius' "Hesperides," Roma, 1646.   Unpublished thesis.   Pomona College, Claremont, California.

Hayes, W. B.   1945.   Fruit Growing in India.   Kitabistan, Allahabad.   283 pp.

Hoag, I. N.   1879.   Orange culture in California.   Trans. Calif. State Agr. Soc. 1879:132-38.

Hubbard, E. S.   1919.   Reminiscences.   Proc. Fla. State Hort. Soc. 32:179-81.

Hughes, Griffith.   1750.   The natural history of Barbados.   Printed for the author, London.   314 pp.

Hume, H. Harold.   1926.   The cultivation of citrus fruits.   The Macmillan Co., New York.   561 pp.

Ibn-al-Awam.   1864.   Le Livre de l'agriculture d' Ibn-al-Awâm.   Translated into French by J. J. Clement-Mullet.   Paris.

Isaac, Erich.   1959.   Influence of religion on the spread of citrus.   Science 129:179-85.

Jonstonus, Johannes.   1662.   Dendrographias, sive historiae naturalis de arboribus et fruticibus tam nostri quam peregrini orbis.   Typis Hieronymi Polichii, Frankfurt.   477 pp.

Kino, Eusebio Francisco.   1919.   Kino's historical memoir of Pimería Alta; a contemporary account of the beginnings of California, Sonora, and Arizona…1683-1711.   Translated into English, edited, and annotated by Herbert Eugene Bolton.   The Arthur H. Clark Co., Cleveland, Ohio.   2 vol.

Kimball, Frank A.   1897.   Lemon culture.   Proc. Amer. Pomol. Soc. 25:95-99.

Killerman, S.   1916.   Die Zitronen und Orangen in Geschichte und Kunst.   Naturwiss. Wochenschr. 31:201-08.

Las Casas, Bartolóme de.   1875-76.   Historia de las Indias [written 1520-1559]…ahora por primera vez dada á luz por el marqués de la Fuensanta de Valle y D. José Sancho Rayon.   Impr. de N. Ginesta, Madrid.   5 vol.

Laufer, Bertold.   1934.   The lemon in China and elsewhere.   Jour. Amer. Orient. Soc. 54:143-60.

Legge, James.   1861-72.   The Chinese Classics.   Trubner & Co., London.   7 vol.

Leibbrandt, H. C. V.   1897.   Précis of the archives of the Cape of Good Hope: Riebeeck's journal.   W. A. Richards & Sons, Capetown.   3 vol.

Lelong, B. M.   1902.   Culture of the citrus in California.   Revised by State Board of Horticulture.   Supt. State Printing, Sacramento, California.   260 pp.

Lugo, Jose del Carmen.   1950.   Vida de un ranchero, dictated to Thomas Savage for H. H. Bancroft, in October, 1877.   Translated by Helen Pruitt Beattie.   Typewritten manuscript.   (Original manuscript in Bancroft Library, University of California, Berkeley.)

Navarro, de Andrade, Edmundo.   1933.   Manual de citricultura.   Parte I. Cultura e estatistica.   Edicao de Charcaras e Quintaes, Sao Paulo.   198 pp.

Oviedo y Valdez, Gonzalo Fernandez de.   1851-55.   Historia general y natural de las Indias.   Impr. de la R. Acad. de la Historia, Madrid.   4 vol.

Pope, W. T.   1934.   Citrus culture in Hawaii.   Haw. Agr. Expt. Sta. Bul. 71:37 pp.

Puente y Olea, Manuel de la.   1900.   Los trabajos geográficos de las Casa de Contratación.   Ecuela Tipográfica y Librería Salesianas, Sevilla.   451 pp.

Plukenet, Leonard.   1696.   Opera omnia botanica: IV. Almagestum botanicum.   Innys, London.   402 pp.

Rasmussen, Wayne D.   1960.   Readings in the history of American agriculture.   University of Illinois Press, Urbana.   340 pp.

Robinson, Alfred.   1846.   Life in California.   Wiley & Putnam, New York.   341 pp.

Rolfs, P. H.   1935.   Founders and foundations of Florida agriculture.   Proc. Fla. State Hort. Soc. 48:129-51.

Roxburgh, William.   1832.   Flora indica; or descriptions of Indian plants.   Serampore.   Printed for W. Thacker & Co., Calcutta, and for Parbury, Allen & Co., London.   3 vol.

Shiu Iu-nin.   1933.   Lemons of Kwangtung with a discussion concerning origin.   Lingnan Sci. Jour. 12(Suppl.):271-94.

Sirag-el-din, Ahmed.   1931.   The citrus twig gum disease in Egypt.   Egypt. Min. Agr. Tech. Sci. Serv. Bul. 109:63 pp.

Sloane, Hans.   1696.   Catalogus plantarum quae in insula Jamaica sponte proveniunt.   Brown, London.   232 pp.

——   1707-25.   A voyage to the Islands Madeira, Barbados, Nieves, S. Christophers, and Jamaica.   Printed by B. M. for the author, London, 2 vol.

Spalding, William A.   1885.   The orange: its culture in California with a brief discussion of the lemon, lime, and other citrus fruits.   Press and Horticulturist, Riverside, California.   97 pp.

——   1922.   Early chapters in the history of California citrus culture.   Calif. Citrog. 7:66, 103, 150.

Sterbeeck, Franciscus van.   1682.   Citricultura oft regeringhe der uythemsche Boomen te weten Oranien, Citroenen, Limoenen, Granaten, Laurieren en andere.   Joseph Jacops, Antwerp.   296 pp.

Swingle, W. T.   1943.   The botany of citrus and its wild relatives of the orange family.   In: Webber, H. J., and L. D. Batchelor (eds.)   The Citrus Industry.   I:129-474.   Univ. Calif. Press, Berkeley and Los Angeles.

Tanaka, Tyôzaburo.   1929.   Remarks on citrus and citrus relatives in China.   Lignan Sci. Jour. 7:337-48.

——   1932.   A monograph of the satsuma orange, with special reference to the occurrence of new varieties through bud variation.   Mem. Fac. Sci. Agr. Taihoku Univ. 4:1-626.

Tolkowsky, S.   1938.   Hesperides. A history of the culture and use of citrus fruits.   John Bales, Sons & Curnow, Ltd.   371 pp.

Valmont de Bomare, Jacques Christophe.   1764.   Dictionnaire raisonne universal d'histoire naturelle.   Lacombe, Paris.   6 vol.

Vancouver, George.   1798.   A voyage of discovery to the North Pacific Ocean and round the world; performed in the years 1790-1795.   C. G. & J. Robinson, London.   3 vol.

Venegas, Miguel.   1757.   Noticia de la California, y de su conquista temporal y espiritual hasta el tiempo presente.   Sacada de la historia manuscrita, formada in México año de 1739.   Impr. de la Viuda de M. Fernandez, Madrid.   3 vol.

Volckamer, Johann Christoph.   1708-14.   Nürnbergische Hesperides, odor Gründliche Beschreibung der edlen Citronat- Citronen- und Pomeranzen-Früchte…Bei dem Authore, Nurnberg.   2 vol.

Watt, George.   1889-93.   A dictionary of the economic products of India.   Supt. Govt. Print., Calcutta.   6 vol. (See specifically: Aegle, Vol. 1, 1889; Citrus, Vol. 2, 1889; Feronia, Vol. 3, 1890; Limonia, Vol. 4, 1890.)

Webber, Herbert John.   1896.   The two freezes of 1894-95 in Florida, and what they teach.   U.S. Dept. Agr. Yearbook 1894:193-202.

——   1925.   A comparative study of the citrus industry of South Africa.   So. Africa Dept. Agr. Bul. 6:106 pp.

——   1927a.   The mother orange tree.   Calif. Citrog. 12:186-87.

——   1927b.   California's oldest orange tree.   Sunset 59:21, 79-80.

——   1928.   Notes on the history of citrus varieties.   Calif. Citrog. 14:36-39.

——   1929.   Citrus production in the Rio Grande Valley, Texas, and in the Salt River Valley, Arizona.   Calif. Citrog. 15:304, 322-23.

——   1937.   Whence and whither the citrus industry?   Proc. Fla. State Hort. Soc. 50:6-17.

——   1943.   Historic romance in modern horticulture.   Calif. Citrog. 28:58, 80-81.

Wilson, Iris Higbee.   1965.   William Wolfskill: 1798-1866. Frontier trapper to California ranchero.   Arthur H. Clark & Co., Glendale, California.   268 pp.

Woodworth, C. W.   1915.   School of fumigation conducted by C. W. Woodworth.   Braun Corporation, Los Angeles.   189 pp.