Online College Courses has assembled a list of top ten college comic strips:


 “What did Bill Watterson do before creating the beloved Calvin and Hobbes? He drew cartoons for his college newspaper, of course. As a student at Kenyon College, his work appeared in The Kenyon Collegian, revealing a well defined style even in his early years as a comic. Be sure to check out the collection of his college work and enjoy a slice of 70′s American college life.”

More samples of Watterson’s college work at Comics Alliance
Online College’s list of Top Ten College Comics
 
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