- December 1, 1972 (This strip is adapted in It's Christmastime Again, Charlie Brown)
- December 2, 1972
- December 3, 1972 (This strip is adapted in Snoopy's Reunion)
- December 4, 1972
- December 5, 1972
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- December 6, 1972 (This strip is adapted in Charlie Brown's Christmas Tales)
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- December 7, 1972
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- December 8, 1972 (This strip is adapted in Charlie Brown's Christmas Tales)
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- December 9, 1972
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- December 10, 1972
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- December 11, 1972
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- December 12, 1972
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- December 13, 1972
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- December 14, 1972
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- December 15, 1972
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- December 16, 1972 (Beethoven's birthday)
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- December 17, 1972 (Start of the series of Sunday strips about Poochie. The fourth reference to Amy)
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- December 18, 1972
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- December 19, 1972
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- December 20, 1972
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- December 21, 1972
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- December 22, 1972
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- December 23, 1972
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- December 24, 1972
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- December 25, 1972
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- December 26, 1972
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- December 27, 1972
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- December 28, 1972
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- December 29, 1972
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- December 30, 1972
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- December 31, 1972
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| ← November 1972 | January 1973 → |
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