The American Icons set was issued by Radio Spirits (43622).
Although neither his photo nor his name made the front cover, Stewart did star in one of the eleven radio shows included on this 6-CD set. That show was the Radio Reader’s Digest version of One Way to Broadway, which was broadcast on March 18, 1948.
There were ten other shows on the set with stars including Kirk Douglas, Douglas Fairbanks Jr., Clark Gable, Betty Grable, Cary Grant, Bob Hope and Gene Kelly.