| UK, Extracted Probate Records, 1269-1975 | 1,976,605 |
| UK, Prison Commission Records, 1770-1951 | 1,089,129 |
| UK, Register of Duties Paid for Apprentices' Indentures, 1710-1811 | 1,045,652 |
| Perthshire, Scotland, Cess, Stent and Valuation Rolls, 1650-1899 | 894,998 |
| UK, Calendar of Prisoners, 1868-1929 | 803,980 |
| Edinburgh, Scotland, Extent Rolls, 1580-1847 | 714,184 |
| Scotland, National Probate Index (Calendar of Confirmations and Inventories), 1876-1936 | 654,826 |
| UK, Criminal Records, 1780-1871 | 454,826 |
| North Lanarkshire, Scotland, Poor Law Applications and Registers, 1849-1917 | 230,468 |
| UK, Prison Hulk Registers and Letter Books, 1802-1849 | 196,793 |
| Web: Scotland, Prison Records Index, 1828-1878 | 173,186 |
| Web: Scotland, General and Admission Registers for Asylums, 1858-1918 | 165,561 |
| New South Wales, Australia, Convict Indents, 1788-1842 | 140,175 |
| Web: Scotland, High Court Criminal Indexes, 1790-1919 | 139,568 |
| Web: Scotland, Sheriff Court Paternity Decrees, 1792-1922 | 128,825 |
| UK, World War II Alien Internees, 1939-1945 | 126,460 |
| UK, Police Gazettes, 1812-1902, 1921-1927 | 117,119 |
| UK, Officers' Birth Certificates, Wills and Personal Papers, 1755-1908 | 104,288 |
| 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 |
| UK, Wills of Royal Navy and Royal Marines Personnel, 1786-1882 | 32,361 |
| Aberdeenshire, Scotland, Criminal and Court Records, 1841-1922 | 32,051 |
| UK, Royal Navy Medical Journals, 1817-1856 | 28,256 |
| UK, Post Mortem Examinations and Case Books, 1840-1920 | 27,537 |
| Perth, Scotland, Register of Deeds, 1566-1811 | 22,365 |
| Web: UK, Wills of Royal Naval Seamen Index, 1786-1882 | 19,613 |
| Web: Dundee, Scotland, Poor Law Indexes, 1854-1878 | 14,263 |
| The Law and Our Ancestors (2 CD set) | 12,516 |
| Fife, Scotland, Asylum Registers, 1866-1937 | 9,523 |
| Scotland, The Register of The Privy Council of Scotland, 1545-1632 | 8,786 |
| Kirkcaldy, Fife, Scotland, Poorhouse Records, 1888-1922 | 7,547 |
| Scotland, The Register of the Great Seal of Scotland, 1306-1651 | 5,065 |
| Web: Scotland, Registers of Deeds, 1619-1859 | 3,888 |
| UK Surgeon Superintendents' Journals of Convict Ships, 1858-1867 | 2,352 |
| Fife, Scotland, Criminal Registers, 1910-1931 | 1,051 |
| Dougal's Unclaimed Money Register 1910 | 543 |
| Charters and other Writs of the Royal Burgh of Aberdeen 1171-1804 | 509 |
| UK and Ireland, Families of Historic Properties, 1222-1967 | 481 |
| Scotland, Register of Deeds Index, 1667 | 466 |
| Cupar, Fife, Scotland, World War II Evacuation Indexes, 1939-1945 | 445 |
| Celebrated Criminal Trials in Scotland 1536 to 1784 | 426 |
| The Law Relating to Factories & Workshops (including Laundries & Docks) 1896 | 332 |
| The court book of the barony of Urie in Kincardineshire : 1604-1747 | 291 |
| Scottish-American Heirs, 1683-1883 | 170 |
| American Data from the Records of the High Court of the Admiralty of Scotland, 1675-1800 | 160 |
| Scottish-American Wills, 1650-1900 | 141 |
| Charter chest of the earldom of Wigtown, 1214-1681 | 135 |
| Scottish-American Court Records, 1733-1783 | 109 |
| Court-Hand Restored - The Student's Assistant in Reading Old Deeds, Charters, Records Etc | 99 |
| Wigtown, Scotland Charter Chest, 1214-1681 | 70 |
| Aberdeen, Scotland, Register of Testaments, 1715-1800 | 40 |
| Charter chest of the earldom of Dundonald, 1219-1672 | 37 |
| Scottish Maritime Records, 1600-1850 | 35 |
| Dundonald, Scotland Charter Chest, 1219-1672 | 20 |
| Confirmations And Inventories granted and given up in The Several Commissariots of Scotland 1876 | 6 |