Lucifer's Hammer

ACKNOWLEDGMENTS

Excerpts from GIFFORD LECTURES, 1948 by Emil Brunner. Excerpt from a private speech by Robert Heinlein. Reprinted by permission.

Prom “Pure, Sweet, Culture” by Frank Garparik. Copyright @ 1977 by Frank Garparik. Used with permission of the author.

From How The World Will End by Daniel Cohen. Copyright 1973, McGraw-Hill. Used with permission of McGraw-Hill Book Co.

From The Naked Ape by Desmond Morris. Copyright McGraw-Hill 1967. Used with permission of McGraw-Hill Book Company.

Excerpt from The Cosmic Connection by Carl Sagan. Copyright 1973 by Carl Sagan and Jerome Agel. Reprinted by permission of Doubleday Company, Inc.

Excerpts from The Coming Dark Age by Roberto Vacca, translated from the Italian by Dr. J. S. Whale. Translation Copyright 1973 by Doubleday Company, Inc. Reprinted by permission of Doubleday Company, Inc.

From Moons and Planets: An Introduction to Planetary Science by William Hartman. Copyright 1972, Wadsworth Publishing Co., Inc. Used with permission of Wadsworth Publishing Co., Inc.

Excerpts from Sovereignty by Bertrand de Jouvenal. Copyright 1957 by University of Chicago Press. Used with permission of University of Chicago Press.

From The Elements Rage by Frank W. Lane. Copyright 1965 by Chilton Book Co. Used with permission of Chilton Book Co.

Song “The Friggin Falcon” 1966 by Theodore R. Cogswell. All rights reserved, including the right of public performance for profit. Used by permission of the author and the author’s agent, Kirby McCauley.