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1by Hepner, Walter R. (Walter Ray), b. 1891### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1924Boston, Houghton Mifflin Co. [c1924]x, 435, xxvii p. illus. 20 cm. -
2by Hepner, Walter R. (Walter Ray), b. 1891### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1931Boston ; New York : Houghton Mifflin, c1931.153 p. : ill., maps, diagrs ; 28 cm. -
3by Hepner, Walter R. (Walter Ray), b. 1891### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1924Boston, Houghton Mifflin Co. [c1924]x, 435, xxvii p. illus. 20 cm. -
4by Hepner, Walter R. (Walter Ray), b. 1891### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1928Boston, New York [etc.] Houghton Mifflin Co. [c1928]xii, 257 p. col. front., col. illus. 19 cm.