HitComedy.Com: Stan Freberg: Real Audio downloads of classic Freberg radio sketches and song parodies.Karl Hennecke's Website: Sound clips from "Stan Freberg Presents The United States of America, Volume 1" in .wav format.Point of View: Stan Freberg Presents the U.S.A., Volume 2: By Mark Evanier. History of Volume 1, details on the unproduced Broadway musical, and a review of Volume 2.Rhino Records: Tip Of The Freberg: Information, liner and track notes, photos and other details on Freberg's CD box set.Stan Freberg Discography: Compiled by Warren Debenham.The Stan Freberg Page - Hear it: Comprehensive information resource on Freberg's recordings with scripts and audio clips.