Set of 20 1899- 2011  Merck's Manual of the Materia Medica 1st thru 19th Edition
In good used condition
  1. 1899 True First Edition (not the reprint)
  2. 1901 2nd Edition  (worn)
  3. 1905 3rd Edition
  4. 1911 4th Edition
  5. 1923 5th Edition
  6. 1936 6th Edition
  7. 1943 7th Edition
  8. 1952 8th Edition
  9. 1956 9th Edition
  10. 1961 10th Edition
  11. 1970 11th Edition
  12. 1976 12th Edition
  13. 1978 13th Edition
  14. 1984 14th Edition
  15. 1987 15th Edition
  16. 1992 16th Edition
  17. 1999 17th Edition
  18. 2006 18th Edition New
  19. 2011 19th Edition New
  20. 1899 Reprint