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Titles
- Directory of biomedical institutions in the Union of Soviet Socialist Republics1
- Directory of homoeopathic physicians in Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Nebraska, and Ohio, 1885-61
- Directory of medical libraries outside the United States and Canada1
- Directory of officers, Tilton General Hospital1
- Directory of private institutions for the treatment of nervous and mental disease1
- Doan's directory of the United States, 1912-1913: containing United States census of all incorporated places of 1,000 population or over1
- Drugs resources: manufacturers, importers, processors : biologicals, botanicals, containers, fish liver oils, narcotics, hormones and glandular substances, medicinal chemicals, surgical dressings1