The collection contains a log book, correspondence and biographical materials documenting the life of midshipman Gabriel Galt Williamson. Williamson served on the U.S.S. North Carolina, flagship of commodore John Rodgers in the Mediterranean. Biographical information including a timeline outlining the life of Williamson is also included in the collection.

Scrapbook, circaa. 1820-1840, of an unidentified person which contains newspaper clippings pasted over a log book, 1817, of a vessel in the Mediterranean Sea.