Batchelor, Bob. American Pop: Popular Culture Decade by Decade. Westport, CT: Greenwood Press, 2009. Print. Reference E 169.1 .A497 2009
Bleiler, Richard, ed. Science Fiction Writers: Critical Studies of the Major Authors from the Early Nineteenth Century to the Present Day. 2nd ed. New York: Charles Scribner's Sons, 1999. Print. Reference PS 374 .S35 S36 1999
Hall, Halbert W., ed. Science Fiction Book Review Index, 1923-1973. Detroit: Gale Research, 1975. Print. Reference PN 3433.5 H35
Kross, Jessica, Robert J. Allison, Thomas J. Brown, Vincent Tompkins, and Gerald J. Prokopowics, eds. American Eras. Detroit: Gale Research, 1997- . Print. Reference E 169.12 .A424
Layman, Richard, ed. American Decades. Detroit: Gale Research, 1994-. Print. Reference E 169.12 .A42
Le Poidevin, Robin, ed. The Routledge Companion to Metaphysics. New York: Routledge, 2012. Print. Reference BD 111 .R688 2012
Renwick, Isaac Parker Anderson, et al., eds The Statesman's Year-book. New York: St. Martin's Press. Print. Reference JA 51 .S7 2014 Main Collection JA51 .S7 1985 - 2012 Reference JA 51 .S7 2013
Stableford, Brian M. Science Fact and Science Fiction: An Encyclopedia. New York: Routledge, 2006. Print. Reference Q 123 .S73 2006
Westfahl, Gary, ed. The Greenwood Encyclopedia of Science Fiction and Fantasy: Themes, Works, and Wonders. Westport, CT: Greenwood Press, 2005. Print. Reference PS 374 .S35 G74 2005
The World Almanac and Book of Facts. New York: Newspaper Enterprise Association. Print. Reference AY 67.N5 W7 1900 - 2013
Wymer, Thomas L., and David Cowart, eds. Twentieth-century American Science-fiction Writers. Detroit, MI: Gale Research, 1981. Print. Reference PS 374 .S35 T88