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Gasoline Alley by Frank King
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Krazy Kat by George Herriman
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The Smythes by Rea Irvin
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Polly and Her Pals by Cliff Sterret
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Buck Rogers by Dick Calkins
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Little Nemo by Winsor McKay
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Google those for more info. For more from the Golden Age of Newspaper strips, find
THE SMITHSONIAN GUIDE TO NEWSPAPER COMICS, Bill Blackbeard, editor. Here are some newer strips designed to take advantage of the one-page format:
Mr. Wonderful by Dan Clowes
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Building Stories by Chris Ware
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Boys by Ron Rege