| England & Wales, National Probate Calendar (Index of Wills and Administrations), 1858-1995 | 20,503,036 |
| UK, Extracted Probate Records, 1269-1975 | 1,976,605 |
| England & Wales, Criminal Registers, 1791-1892 | 1,556,259 |
| UK, Land Tax Redemption, 1798 | 1,179,406 |
| UK, Prison Commission Records, 1770-1951 | 1,089,129 |
| UK, Register of Duties Paid for Apprentices' Indentures, 1710-1811 | 1,045,652 |
| Glamorgan, Wales, Workhouse Registers, 1850-1920 | 882,714 |
| UK, Calendar of Prisoners, 1868-1929 | 803,980 |
| UK, Criminal Records, 1780-1871 | 454,826 |
| Wales, Wills and Probate, 1513-1858 | 282,099 |
| British Chancery Records, 1386-1558 | 270,554 |
| UK, Prison Hulk Registers and Letter Books, 1802-1849 | 196,793 |
| Swansea and Surrounding Area, Wales, Poor Law Union Records, 1836-1916 | 148,073 |
| New South Wales, Australia, Convict Indents, 1788-1842 | 140,175 |
| UK, World War II Alien Internees, 1939-1945 | 126,460 |
| UK, Police Gazettes, 1812-1902, 1921-1927 | 117,119 |
| Wales, Probate Abstracts, 1544-1858 | 112,068 |
| UK, Officers' Birth Certificates, Wills and Personal Papers, 1755-1908 | 104,288 |
| Swansea and Surrounding Area, Wales, Gaol Records, 1877-1922 | 102,110 |
| UK, After-Trial Calendar of Prisoners, 1855-1931 | 97,702 |
| Web: UK, Death Duty Registers Index, 1796-1811 | 70,401 |
| UK, Articles of Clerkship, 1756-1874 | 49,371 |
| Carmarthenshire and Bangor, Wales, Wills Index Cards, 1885-1941 | 44,465 |
| Glamorgan, Wales, Calendar of Prisoners, 1850-1920 | 34,072 |
| UK, Wills of Royal Navy and Royal Marines Personnel, 1786-1882 | 32,361 |
| UK, Royal Navy Medical Journals, 1817-1856 | 28,256 |
| UK, Post Mortem Examinations and Case Books, 1840-1920 | 27,537 |
| Glamorganshire, Wales, Glamorgan County Asylum Records, 1845-1920 | 26,387 |
| Web: UK, Wills of Royal Naval Seamen Index, 1786-1882 | 19,613 |
| England and Wales, Long-Term Workhouse Inmates, 1861 | 14,273 |
| The Law and Our Ancestors (2 CD set) | 12,516 |
| Cardiff, Wales, Index to Police Constabulary Registers, 1904-1920 | 6,327 |
| England & Wales, Criminal Lunacy Warrant and Entry Books, 1882-1898 | 4,332 |
| UK Surgeon Superintendents' Journals of Convict Ships, 1858-1867 | 2,352 |
| Dougal's Unclaimed Money Register 1910 | 543 |
| UK and Ireland, Families of Historic Properties, 1222-1967 | 481 |
| The Law Relating to Factories & Workshops (including Laundries & Docks) 1896 | 332 |
| Flint, Wales Historic Notices | 268 |
| Presteigne, Radnorshire, Wales, Rent Roll, 1705 | 204 |
| Wales, Return of Owners of Land, 1873 | 192 |
| Court-Hand Restored - The Student's Assistant in Reading Old Deeds, Charters, Records Etc | 99 |