Railway Heraldry
1794
Coins, Medals & Tokens
Time Measurement
hallmarked 1794
Classical & Medieval Medicine
1991-1786 BCE
2000-1001 BCE
Building Construction
2000-1350 BCE
Meteorology
2050-1750 BCE
Materia Medica & Pharmacology
1851-930
Therapeutics
Surgery
1801-190
2000-1000 BCE
Art