The Almanac series wasn't all buffoonery; the shows ended with something serious. Here's a collection of Shakespeare segments, with Welles in a few roles not repeated elsewhere.
Julius Caesar (with Charles Laughton) http://www.box.net/shared/u5chc9r24t
Henry V http://www.box.net/shared/y5pry41yed
Romeo and Juliet http://www.box.net/shared/jjktorn87e
Richard III http://www.box.net/shared/t5c8zb5x57
Richard II http://www.box.net/shared/nnqs6cnzbh