# Admiral John Dahlgren

- By: Mathew Benjamin Brady
- Date: between circa 1860 and circa 1865
- Classification: Photograph
- Credit line: U.S. National Archives and Records Administration
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Admiral_John_Dahlgren_-_NARA_-_528718_edit.jpg)
- Rights: Public domain
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Admiral_John_Dahlgren_-_NARA_-_528718_edit.jpg/1920px-Admiral_John_Dahlgren_-_NARA_-_528718_edit.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)