The Gunroom of HMSSurprise.org
- Home for a group of Patrick O'Brian's readers who enjoy discussion of his works.
- http://www.hmssurprise.org/

Patrick O'Brian Discussion Archives
- Archives of listerserv dedicated to discussion of the works of Patrick O'Brian.
- http://mat.tepper.cmu.edu/POB/

The Patrick O'Brian Compendium
- Features "The Butcher's Bill," a 286-page summary of the Aubrey/Maturin novels, as a PDF download.
- http://www.patrickobrian.com/

Maturin's Medicine
- A glossary of medical terms in the Aubrey-Maturin books.
- http://www.alia.org.au/~kwebb/Maturin/

A Cookbook to Treasure
- Marilyn McDevitt Rubin reviews "Lobscouse & Spotted Dog", a collection of recipes fetched from the Aubrey-Maturin novels.
- http://www.post-gazette.com/columnists/20030209rubin0209fnp1.asp

O'Pinions and O'Bservations O' O'Bscure O'Briania
- Reviews and comments on the short stories and other obscure writings of Patrick O'Brian.
- http://jfinnera.www1.50megs.com/pob.html

A Guide for the Perplexed
- Translations of all Non-English phrases in Patrick O'Brian's Sea-Tales.
- http://www.hmssurprise.org/Companion/pob-tr.html

Danny Yee's Book Reviews: Patrick O'Brian
- Reviews, including the less well-known Joseph Banks and The Golden Ocean.
- http://dannyreviews.com/a/Patrick_O'Brian.html

The Patrick O'Brian Page
- Official site from W.W. Norton & Co. (POB's American publisher). Includes information on the POB listserv, a short FAQ, copies of the POB newsletter, and a discussion forum.
- http://www.wwnorton.com/pob/pobhome.htm

Patrick O'Brian Web Resources
- The comprehensive guide to POB related information.
- http://www.io.com/gibbonsb/pob/