The articles are as follow:
1. From The Encyclopedia of Daytime Television by Wesley Hyatt (Billboard Books, 1997):
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2. From Children's Television: The First 35 Years, 1946 - 1981 Part 1: Animated Cartoons by
George Woolery. (Scarecrow Press, 1983):
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3a. From Television Cartoon Shows - An Illustrated Encyclopedia, 1949 - 1993 by Hal Erickson
(McFarland & Co. Publishers, 1995):
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3b. From Television Cartoon Shows - An Illustrated Encyclopedia, 1949 - 1993 by Hal Erickson
(McFarland & Co. Publishers, 1995):
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4. From Jeff Lenburg's The Encyclopedia of Animated Cartoons:
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