Incoming Resources
- Houghton, Mifflin and Co., Boston and New York, ©1908
- Houghton, Mifflin and company, Boston and New York, 1902
- Houghton, Mifflin and Co., Boston and New York, ©1900
- Houghton, Mifflin and company, Boston and New York, 1894
- Houghton Mifflin company, Boston and New York, 1909
- Houghton Mifflin Company, Boston and New York, 1924
- Houghton, Mifflin and Co., Boston and New York, 1888
- Houghton, Mifflin and Company, Boston and New York, 1902