Statistics for occurrence #1 of “Gen. George W. Davis” in alphabetic letter A, entry group 2, entry ainsworth-frederick-crayton of Harper's Encyclopedia of United States History:
...f any soldier may be immediately traced.
About 50,000.000 of these cards have been placed on file, and their introduction has resulted in a yearly saving of more than $400,000. In 1898 he succeeded Gen. George W. Davis as supervisor of the publication of the official records of the Civil War.
...