Albert Kerr Heckel & James G. Sigman.
On the road to civilization: a world history.
R568052. On the road to civilization: a world history. By Albert Kerr Heckel & James G. Sigman. NM: additions & revisions. © 26Mar46; A2027. Holt, Rinehart and Winston, Inc. (PWH); 19Nov73; R568052.
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