- en.m.wikipedia.org Defeat of the Floating Batteries at Gibraltar
- artsandculture.google.com story/the-defeat-of-the…
- youtube.com watch
- useum.org artwork/The-Defeat-of-the-Floating-…
- flickr.com photos/phil_masters/52691372203
- niceartgallery.com John-Singleton-Copley/The-…
- arthive.com johnsingletoncopley/works/531597~The_…
- bridgemanimages.com en/copley/the-defeat-of-the-…
- commons.wikimedia.org wiki/File:John_Singleton_…
- britishempire.co.uk maproom/gibraltar/…
- hoocher.com John_Singleton_Copley/John_Singleton_…
- http://steveartgallery.se france/special/size-58426.html
- artvee.com dl/study-for-the-defeat-of-the-…
- risingtidefoundation.net copley-the_defeat_of_the…