Incoming Resources
- H. W. Wilson Co, New York etc.
- Dan Golenpaul Associates, etc, New York etc.
- Oxford university press, London, New York etc., 1941
- Stoeger Arms Corporation etc, New York etc.
- Macmillan Information etc., New York etc., 1923-
- Hamlyn, London, New York etc., 1974
- Silver, Burdett and company, Boston, New York etc., 1899
- The H. W. Wilson company, New York etc., 1905-