Bruce M. Petty - Author -  "Admiral Raeder's Navy" is the web site of author Joseph Gilbey.  His works include Langsdorff of the Graf Spee, Price of Honor and Kriegsmarine:  Admiral Raeder's Navy--A Broken Dream.  This web site contains good information on Captain Langsdorff, Admiral Graf Spee and Hitler's Navy.  -  Army Aviation Association of America and Army Aviation magazine.   United States Submarine Veterans, Inc. - links