The series contains the official outgoing correspondence, in bound letterpress volumes, of Florida's territorial and state governors from 1836-1909. The records reflect the official, constitutional, and political duties of the Office of Governor. The series includes the correspondence of Governors Richard Keith Call (1835-1840, 1841-1844); Robert Raymond Reid (1840-1841); John Branch (1844-1845); William D. Moseley (1845-1849); Thomas Brown (1849-1853); James E. Broome (1853-1857); John Milton (1861-1865); A. K. Allison (1865); Ossian B. Hart (1873-1874); M. L. Stearns (1874-1877); George F. Drew (1877-1881); William D. Bloxham (1881-1885, 1897-1901); Edward A. Perry (1885-1889); Francis P. Fleming (1889-1893); Henry L. Mitchell (1893-1897); William S. Jennings (1901-1905); Napoleon B. Broward (1905-1909); and Albert W. Gilchrist (1909-1913).
All the letterbooks are originals except for Volume 6 (John Milton, 1861-1862) which is a photocopy. In addition to governor's correspondence, Volume 2 (1844) contains the correspondence of Thomas Duval, Secretary to Governor Branch and Volume 83 contains military appointments of the Adjutant General from 1908-1909.