Here's the campy two-parter of Suspense from 1944. When it was released on LP in 1983, Welles won the Grammy for Best Spoken Word, Documentary, or Drama Recording.
Here also is the heavy-handed parody Welles did on his Almanac series, which nonetheless demonstrates his impressive vocal flexibility.
Part 1 http://www.box.net/shared/0fcejeb17e
Part 2 http://www.box.net/shared/ql338vtcbq
Almanac Spoof http://www.box.net/shared/09o8rflgav