Winthrop Chemical Company (New York, N.Y.)

• A manual for the safe handling of chemicals
• Demerol hydrochloride
• Demerol hydrochloride, analgesic, spasmolytic, sedative
• Intravenous (excretion) urography and retrograde pyelography
• Malaria
• Penicillin
• Physician's handbook
• Spinal anesthesia
• Winthrop prescription vitamins