Lent, Henry B.
Men at work in the Great Lakes States / by Henry B. Lent. - New York : Putnam, 1971. - 126 p. : ill. - The Men at work series .
72129238
Industries--Great Lakes Region.
338
Men at work in the Great Lakes States / by Henry B. Lent. - New York : Putnam, 1971. - 126 p. : ill. - The Men at work series .
72129238
Industries--Great Lakes Region.
338