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by Oliver Leaman (University of Kentucky)
by University of Chicago School Mathematic Project Staff
by Friends of the Cabildo; Cangelosi, Robert J.; Schlesinger, Dorothy G.; et al.
by University of Chicago School Mathematics Project
by Siegal, Mordecai
by Shanks, Hershel
by David E. Johnson (Birmingham Southern University); Johnny R. Johnson; John L. Hilburn; et al.
by Oxford University Press
by Delores M. Etter (University of Colorado, Boulder)
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