The prehistoric period -- Pre-Hellenic civilisations -- Greece and Rome -- The Arab world -- Herbals -- Chemical medicines -- Systematic medicine -- Alkaloids -- Non-alkaloidal plant products -- Plant product analogues and compounds derived from them -- The origins of hormone therapy -- Neurohormones -- Peptide hormones -- Sex hormones -- Adrenal cortex hormones -- Prostaglandins -- Hormone analogues -- Vitamins -- Antimetabolites -- Blood and biological products -- Antibiotics -- Antibiotic analogues -- Pharmacodynamic agents from micro-organisms -- Analogues of pharmacodynamic agents from fungi -- The first synthetic drugs and their analogues -- Drugs originating from the screening of dyes -- Drugs originating from the screening of organic chemicals -- Drugs discovered through serendipitous observations involving humans -- Drugs discovered through serendipity in the laboratory
