- Angel Flight Pilots donating their time and aircraft to transport patients in need.
- American Academy of Underwater Sciences, diving for science
- ECO Magazine, March 2015, “Authorized for Cold Water Service”, pages 20-25.
- Ozark Creative Writers Workshop
- Smithsonian Scientific Diving Program Sponsoring diving research in the Artic and Antarctic, and around the world.
- Rebreather Forum 3 A rare gathering of rebreather divers, diving researchers, and equipment manufacturers. May, 2012.
- Rubicon Research Repository, Informative source of diving related documents, old and new.
- Undersea and Hyperbaric Medical Society, Society for Medical and Diving Research Professionals
- Water Welders, An e-magazine for professional underwater welders
- Wikipedia John R. Clarke