Incoming Resources
- D.C. Heath and company, Boston, New York etc., c1928-
- Houghton, Mifflin and Company, Boston, New York etc., 1905
- J.B. Lippincott Company, Philadelphia, New York etc., 1944
- Houghton Mifflin company, Boston, New York etc., c1923
- D. C. Heath & Co., Boston, New York etc., 1888
- Abelard-Schuman, London, New York etc., 1968