"Engels, Friedrich." Britannica Encyclopedia CD-ROM 2.0, 1995.
"Marx and Marxism." Britannica Encyclopedia CD-ROM 2.0, 1995.
"Socialism." Britannica Encyclopedia CD-ROM 2.0, 1995.
Newman, G and Grenier, C. Impact: Western Civilization and the Wider World, McGraw-Hill Ryerson Limited, 1995.
Magic Lantern Communications LTD. Marxism: Theory That Split The World, #38-775 Pacific Rd, Oakville, Ont – L6L 6M4 (905) 827-1155.
Ebenstein, W and Fogelman, E. Today’s ISMS, Prentice-Hall, Inc., Englewood Cliffs, New Jersey 07632, 1985.
Leone, Bruno. Socialism: Opposing Viewpoints, Minnesota: Greenhaven Press, Inc., 1986.
Paczuska, Anna. Socialism For Beginners, New York: Writers and Readers Publishing Cooperative, 1986.
"Marx, Karl." Microsoft Encarta CD-ROM, 1994.
"Marx & the State." http://www.geocities.com/CapitolHill/2419/marxstat.html (15 Nov. 1998).
"Marxisms and Socialisms Links." http://www.neravt.com/left/marxism.htm (15 Nov.1998).
"Marxism." http://www-formal.stanford.edu/jmc/progress/marxism.html (15 Nov.1998).
"Socialism." Microsoft Encarta CD-ROM, 1994.
"Socialism." Britannica Micropaedia, X, 926.
"Socialism." Grolier Multimedia Encyclopedia CD-ROM, 1996.
"Socialism." New Standard Encyclopedia, 1991ed., XVI, 516-519.
"Marx, Karl." New Standard Encyclopedia, 1991ed., XI, 167-168.
All cartoons are taken from Socialism For Beginners by Anna Paczuska. Special thanks to Mr. Cocchetto.