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1by Blackstone, Earl Glen, 1892-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1939New York : Gregg Pub., [c1939]27 p. : ill. ; 21 cm. -
2by Blackstone, Earl Glen, 1892-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1942Boston, D.C. Heath and company, [c1942]xii, 338 p. ill., 21 cm. -
3by Blackstone, Earl Glen, 1892-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1929New York : Chicago [etc.], Gregg Publishing Co. ; c1929.58 p. : ill. ; 21 x 28 cm. -
4by Blackstone, Earl Glen, 1892-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1943New York : San Francisco, Prentice-Hall ; [c1943]iv, 51 p. illus. 22 x 28 cm. -
5by Blackstone, Earl Glen, 1892-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1937New York : Chicago [etc.], Gregg Pub. Co. ; c1937.vi, 149 p. front., illus. 21 x 30 cm. -
6by Baker, James W. (James Williams), 1873-1938### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1930Cincinnati : Chicago [etc.], South-Western Publishing Co.; [c1930]vi, 490 p. : ill., diagrs., forms ; 24 cm.Other Authors: “...Blackstone, Earl Glen, 1892-...”