Tags: 1920's; Dale Warren; Houghton Mifflin Company
Tags: 1920's; Houghton Mifflin Company; W.B. Pratt
Tags: 1920's; Ferris Greenslet; Houghton Mifflin Company
Tags: 1920's; Houghton Mifflin Company
Tags: 1920's; Houghton Mifflin Company; Ira Rich Kent
Tags: 1920's; Houghton Mifflin Company; Warren B. Koehler
Tags: 1930's; Dale Warren; Houghton Mifflin Company
Tags: 1930's; Houghton Mifflin Company; Warren B. Koehler
Tags: 1930's; Ferris Greenslet; Houghton Mifflin Company
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