The Merck Index is an encyclopedia of chemicals, drugs and biologicals with over 10,000 monographs on single substances or groups of related compounds. It is published by the United States pharmaceutical company Merck & Co.

The current edition is the 13th (2001), ISBN 0-91-191013-1

Past editions

• 12th (1996)
• 11th (1989), ISBN 0-91-191028-X
• 10th (1983)
• 9th (1976)
• 8th (1968)
• 7th (1960)
• 6th (1952)
• 5th (1940)
• 4th (1930)
• 3rd (1907)
• 2nd (1896)
• 1st (1889)

External links

• Official information