Letters by Year

From here you can list the letters sent in each year, grouped into the following ranges:

• 1500-1599
• 1600-1609
• 1610-1619
• 1620-1629
• 1630-1639
• 1640-1649
• 1650-1659
• 1660-1669
• 1670-1679
• 1680-1699
• 1700-1849
• 1800-present