"Six Degrees of Separation" in Annie

AUTHOR       Watts, Duncan J., 1971-
TITLE        Six degrees : the science of a connected age / Duncan J. Watts.
IMPRINT      New York : W.W. Norton, c2003.
CALL NO.     QA166 .W37 2003.

AUTHOR       Barabási, Albert-Laszló.
TITLE        Linked : the new science of networks / Albert-László Barabási.
IMPRINT      Cambridge, Mass. : Perseus Pub., c2002.
CALL NO.     Q295 .B37 2002.

AUTHOR       Guare, John.
TITLE        Six degrees of separation : a play / by John Guare.
IMPRINT      New York : Vintage Books, c1990.
CALL NO.     PS3557.U2 S59 1990.