R597341. Superman. By Jerry Siegel & Joe Shuster. (In Sunday mirror, New York, Mar, 23, 1947) © 23Mar47; A5-5977. Naticial Periodical Publications, Inc. (PWH); 7Feb75; R597341.

R597342. Superman. By Jerry Siegel & Joe Shuster. (In Sunday mirror, New York, Mar. 16, 1947) © 16Mar47; A5-5978. National Periodical Publications, Inc. (PWH); 7Feb75; R597342.

U.S. Copyright Renewals, 1975 January - June — Part 77

R597343. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 29, 1947) © 29Mar47; A5-5981. National <pb id='076.png' n='1975_h1/A/3109' /> Periodical Publications. Inc. (PWH); 7Feb75; R597343.

U.S. Copyright Renewals, 1975 January - June — Part 77

R597344. Superman. By Jerry Siegel & Joe Shuster. (In New York post. Mar. 28, 1947) © 28Mar47; A5-5982. National Periodical Publications, Inc. (PWH); 7Feb75; R597344.

U.S. Copyright Renewals, 1975 January - June — Part 77

R597345. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 27, 1947) © 27Mar47; A5-5983. National Periodical Publications, Inc. (PWH); 7Feb75; R597345.

R597346. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 26, 1947) © 26Mar47; A5-5984. National Periodical Publications, Inc. (PWH); 7Feb75; R597346.

R597347. Superman. By Jerry Siegel & Joe Shuster. (In New York post. Mar. 25, 1947) © 25Mar47; A5-5985. National Periodical Publications, Inc. (PWH); 7Feb75; R597347.

R597348. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 24, 1947) © 24Mar47; A5-5986. National Periodical Publications, Inc. (PWH); 7Feb75; R597348.

R597349. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 22, 1947) © 22Mar47; A5-5987. National Periodical Publications, Inc. (PWH); 7Feb75; R597349.

R597350. Superman. By Jerry Siegel & Joe Shuster. (In New York post. Mar. 21, 1947) © 21Mar47; A5-5988. National Periodical Publications, Inc. (PWH); 7Feb75; R597350.

R597351. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 20, 1947) © 20Mar47; A5-5989. National Periodical Publications, Inc. (PWH); 7Feb75; R597351.

R597352. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 19, 1947) © 19Mar47; A5-5990. National Periodical Publications, Inc. (PWH); 7Feb75; R597352.

R597353. Superman. By Jerry Siegel & Joe Shuster. (In New York post, Mar. 18, 1947) © 18Mar47; A5-5991. National Periodical Publications, Inc. (PWH); 7Feb75; R597353.