Agradecimientos

ABOMINABLE, 1960 by Mystery Publishing Company, Inc., for Dude, March 1960.

LETTER TO A PHOENIX, 1949 by Street & Smith Publications Inc., for Astounding Science Fiction, August 1949.

NOT YET THE END, 1941 by Standard Publishing Company for Captain Future, winter 1941.

ETAOIN SHRDLU, 1942 by Street & Smith Publications, Inc., for Unknown Worlds, February 1942.

ARMAGEDDON, 1941 by Street & Smith Publications, Inc., for Unknown, August 1941.

EXPERIMENT (in «Two Timer»), 1954 by Galaxy Publishing Corporation for Galaxy Science Fiction, February 1954.

THE SHORT HAPPY LIVES OF EUSTACE WEAVER I, II & III, 1961 by Davis Publications, Inc., first published in Ellery Queen’s Mistery Magazine under the title «Of Time and Eustace Weaver».

RECONCILIATION, 1954 by Fredric Brown for Angels and Spaceships.

NOTHING SIRIUS, 1944 by Standard Publishing Company for Captain Future, spring 1944.

PATTERN, 1954 by Fredric Brown for Angels and Spaceships.

THE YEHUDI PRINCIPLE, 1944 by Street & Smith Publications, Inc., for Astounding Science Fiction, May 1944.

COME AND GO MAD, 1949 by Weird Tales for Weird Tales, July 1949.

THE END, 1961 by Fredric Brown for Nightmares and Geezenstacks.