Published |
Philadelphia, Pa. : PGN, 1976-1980 |
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<Sept. 1976-> : Philadelphia, Pa. : GNC, Incorporated |
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<Mar. 15, 1978-> : Philadelphia, PA : Masco Communications |
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No. 1 (Jan. 3, 1976)-no. 3 (Dec. 1976); Jan. 1977; v. 1, no. 5 (Feb. 1977)-v. 4, no. 15 (May 29, 1980) |
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