sentences:  b. Rhee's rank at various times is indicated in photographs released by Rhee Taekwon-Do.These photographs appear in "Rhee Taekwon-Do" membership booklets and in "Rhee Taekwondo" magazine, which was published internally from January 1980 to the 1990s.Rhee also appears in photographs released by former Rhee Taekwon-Do members, such as Hans Fricke and Graham Healy.