Top 15 Record set:

• Britain, Trade Union Membership Registers (3700402)
• Britain, Merchant Seamen, 1835-1857 (1915008)
• Britain, Merchant Seamen, 1918-1941 (1229312)
• Britain, Country Apprentices 1710-1808 (1027825)
• Britain, School and University Students (151681)
• Baltic Exchange Membership Lists (66453)
• Britain, Physicians and Surgeons, 1830-1923 (31862)
• Britain, School and University Register Books (27892)
• British Army Schoolchildren and Schoolmasters 1803-1932 (27208)
• Britain, Merchant Seamen Registry 1939-1945 (24406)
• Berkshire, Eton College Register, 1441-1698 (4448)
• Britain, Institution Of Electrical Engineers (2511)
• Britain, Dentists Register 1887-1906 (1012)
• Britain, Children's Employment Commission Part 2, 1842 (768)
• Bengal Civil Service Gradation List 1869 (559)