THE BOOK OF KNOWLEDGE; the children's encyclopedia. Vol.1-20. Holland Thompson, editor-in-chief.
THE BOOK OF KNOWLEDGE; the children's encyclopedia. Vol.1-20. Holland Thompson, editor-in-chief. © on revisions & additions in text & illus.; 28Jul31; A39919. Grolier Society, Inc. (PWH); 19Aug58; R219598.
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