During 1860, he worked as a missionary doctor in Syria.[5]
He later published 18 articles in Arabic, including Arabic Dictionary of the Holy Bible, Classification and Study of Principles of Plant Physiology and Function and Rules of How to Succeed and translated two texts from Arabic into English.[4] Post published broadly in the areas of natural history, medicine, and theology.[6] Post formally described 221 taxa, and published an extensive volume on the Flora of Syria, Palestine and Sinai in 1896.
He was also one of the contributors to Smith's Bible Dictionary, in 1893.[7]
Later, a new and revised edition of Post's seminal work was published posthumously in 1932–1933 by John Edward Dinsmore, entitled Flora of Syria, Palestine, and Sinai: Volume 1: A Handbook of The Flowering Plants and Ferns, Native and Naturalized From The Taurus to Ras Muhammad And From the Mediterranean Sea to The Syrian Desert, Vol I and II,[8][9] and which includes a description of many new plants, including Iris hermona.[10]
Jessup, H. H., 1910. Fifty-three years in Syria. New York: Fleming H. Revell. 2 volumes.
Khoury, G.Y., 1992. The founding fathers of the American University of Beirut biographies. Beirut: American University of Beirut. Pp 232 (English), 215 (Arabic).
Musselman, L.J., 2006. The botanical activities of George Edward Post (1838-1909). Archives of Natural History 33(2): 282-301.