April 1, 1957
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April 2, 1957
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April 3, 1957
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April 4, 1957
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April 5, 1957
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April 6, 1957
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April 7, 1957 (This strip is adapted in Happiness Is a Warm Blanket, Charlie Brown)
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April 8, 1957
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April 9, 1957
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April 10, 1957
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April 11, 1957
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April 12, 1957
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April 13, 1957 (This strip is one of many adapted into the few minutes of animated segments in the TV Documentary of "A Boy Named Charlie Brown" from 1963.)
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April 14, 1957
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April 15, 1957
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April 16, 1957
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April 17, 1957
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April 18, 1957
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April 19, 1957
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April 20, 1957
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April 21, 1957
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April 22, 1957
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April 23, 1957
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April 24, 1957
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April 25, 1957
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April 26, 1957
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April 27, 1957
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April 28, 1957(This strip is adapted in It's Arbor Day, Charlie Brown)
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April 29, 1957
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April 30, 1957
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← March 1957 May 1957 →
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