A Manual of the Botany of the Northern United States

• Title: A Manual of the Botany of the Northern United States
• Abbreviation: Manual (Gray)
• Name; A Manual of the botany of the Northern United States: from New England to Wisconsin and south to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm. S. Sullivant,) arranged according to the natural system.
• Author: Asa Gray
• Published:1848
• Publisher: J. Monroe & Co.
• City: Boston & Cambridge, Massachusetts

(List may be incomplete)

• Gray, A. 1848. A Manual of the botany of the Northern United States: from New England to Wisconsin and south to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm. S. Sullivant,) arranged according to the natural system. BHL Reference page. 
• Gray, A. 1856. A Manual of the botany of the Northern United States: Second Edition. 739 pp. New York. BHL Reference page. 
• Gray, A. 1867. including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system. 5th edition. New York: Ivison, Phinney, Blakeman. 701 pp. DOI: 10.5962/bhl.title.56618 Reference page.