The American National Biography is a 24 volume set containing approximately 17,400 entries and 20 million words.  It was published in 1999 (a Supplement 1 has appeared in 2002) as, according to its preface in Volume 1, the successor to the Dictionary of American Biography which was first published between 1926 and 1937. It is commonly available in the reference sections of United States libraries.
The general editors of American National Biography were John A. Garraty and Mark C. John Arthur Garraty ( July 4 1920 &ndash December 19 2007) was an American Historian and Biographer. Carnes. It was published by Oxford University Press.
In 1999, the American Library Association awarded the American National Biography its prestigious Dartmouth Medal as a reference work of outstanding quality and significance. The American Library Association ( ALA) is a group based in the United States that promotes libraries and library education internationally The American Library Association’s Dartmouth Medal is awarded annually to a reference work of outstanding quality and significance published during the previous calendar year