Cost of books of Ticknor and Fields ... 1949: p. xv, etc. (James R. Osgood and Company; Houghton, Osgood and Co.; Houghton, Mifflin and Co.; Boston Mass. publishing firm in existence 1878-1880; from 1871 to 1878 firm name was James R. Osgood and Co.; Henry O. Houghton joined with James R. Osgood in 1878 and name changed to Houghton, Osgood and Co.; James R. Osgood was forced out in 1880 and name changed to Houghton, Mifflin [George H. Mifflin] and Co.; firm incorporated in 1908)

Biblioteca del Congreso (Estados Unidos), 03 julio 2018: catálogo electrónico https://goo.gl/J4zt3J

Wheeler, H.N. Argument against the passage of the Loud Bill, 1897: t.p. (Houghton, Mifflin and Company) t.p. verso (Houghton, Mifflin & Co.)

Práctico Larousse ; español-inglés, english-spanish: portada (Houghton Mifflin Company)

LC manual cat., 3/19/99: hdg: Houghton, Mifflin Company (in use after 1908?)