R600987. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr, 12, 1947) © 12Apr47; A5-6543. National Periodical Publications, Inc. (PWH); 17Mar75; R600987.

R600988. Superman. By Jerry Siegel & Joe Shuster. (In Sunday Mirror, New York, Apr. 13, 1947) © 13Apr47; A5-6544. National Periodical Publications, Inc. (PWH); 17Mar75; R600988.

U.S. Copyright Renewals, 1975 January - June — Part 151

R600989. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 15, 1947) © 15Apr47; A5-6546. National Periodical Publications, Inc. (PWH); 17Mar75; R600989.

U.S. Copyright Renewals, 1975 January - June — Part 151

R600990. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 16, 1947) © 16Apr47; A5-6547. National Periodical Publications, use. (PWH); 17Mar75; R600990.

U.S. Copyright Renewals, 1975 January - June — Part 151

R600991. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 17, 1947) © 17Apr47; A5-6548. National Periodical Publications, Inc. (PWH); 17Mar75; R600991.

R600992. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 18, 1947) © 18Apr47; A5-6549. National Periodical Publications, Inc. (PWH); 17Mar75; R600992.

R600993. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 19, 1947) © 19Apr47; A5-6550. National Periodical Publications, Inc. (PWH); 17Mar75; R600993.

R600994. Superman. By Jerry Siegel & Joe Shuster. (In. Sunday mirror, New York, Apr. 20, 194) © 20Apr47; A5-6551. National Periodical Publications, Inc. (PWH); 17Mar75; R600994.

R600995. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 21, 1947) © 21Apr47; A5-6552. National Periodical Publications, Inc. (PWH); 17Mar75; R600995.

R600996. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 22, 1947) © 22Apr47; A5-6553. National Periodical Publications, Inc. (PWH); 17Mar75; R600996.

R600997. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 23, 1947) © 23Apr47; A5-6554. National Periodical Publications, Inc. (PWH); 17Mar75; R600997.

R600998. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Apr. 24, 1947) © 24Apr47; A5-6555. National Periodical Publications, Inc. (PWH); 17Mar75; R600998.

R600999. Superman. By Jerry Siegel & Joe <pb id='150.png' /> Shuster. (In New York post, Apr. 25, 1947) © 25Apr47; A5-6556. National Periodical Publications, Inc. (PWH); 17Mar75; R600999.