The Nuttall Encyclopedia
Dahlgren, John Adolph
A U.S. naval officer and commander; invented a small heavy gun named after him; commanded the blockading squadron at Charleston (1809-1870).
Wood, James, ed. Entry for 'Dahlgren, John Adolph'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/d/dahlgren-john-adolph.html. Frederick Warne & Co Ltd. London. 1900.