Navy Fact File: S-3B Viking
- Background information, statistics, and capabilities of this anti-submarine aircraft.
- http://www.navy.mil/navydata/fact_display.asp?cid=1100&tid=1500&ct=1

Aerospaceweb.org
- Photos.
- http://www.aerospaceweb.org/aircraft/maritime/s3/pics01.shtml

Aviation Enthusiast Corner
- Aircraft description, specifications, known serial numbers, and photos.
- http://aeroweb.brooklyn.cuny.edu/specs/lockheed/s-3a.htm

Aviation-Central.com
- Aircraft models for sale.
- http://www.aviation-central.com/1946-1970/afpc0.htm

Naval Historical Center: S-3 Viking
- Aircraft characteristics, detailed description.
- http://www.history.navy.mil/planes/s3.htm

Vulture's Row
- Brief overview of the aircraft.
- http://webcom.com/~amraam/s3.html