» Daytime talk shows    About.com series of articles on daytime TV programming and the evolution of talk shows over the past 50 years.    http://talkshows.about.com/library/extras/bldaytimehistory.htm

» Late-night talk shows    About.com series of articles on the history of late-night television from 1948 to the present.    http://talkshows.about.com/entertainment/tv/talkshows/library/extras/bllate-nighthistory.htm