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by Joe Robert Thornton
by Williams, Robert Moore; Norman, James; Ayre, Thornton; et al.
by Thornton, Robert
by Thornton, Jess Eden; Howard, Robert E.
by Mcnutt, Robert J.; Thornton, Marcia Ann
by Thornton, Robert J.
by Edited by Robert J. Thornton , Peter Skalnik , Translated by Ludwik Krzyzanowski