Legal and financial documents, relating to lands in Unst, Yell and Fetlar, 1650-1969.
Title deeds mainly relating to lands in Yell, Fetlar and Unst, 1613-1745; Miscellaneous legal documents, 17th century-1751; Miscellaneous records including correspondence, accounts, notes, newscuttings, 1700-1879; Spence family papers, 1817-1875; Leisk and Spence family, business and legal papers, 1863-1873; T.W.L. Spence papers, 1864-1923; Sir Basil Neven-Spence papers, 1906-1965; Genealogical and antiquarian material, 19th century- 20th century
Records relating to surveys, valuations and rates, 1781 - 1884; Records relating to registration of births, marriages and deaths, 1855 - 1885; Records relating to the census, 1841 - 1881; Records relating to Mid and South Yell Parochial Board, 1859 - 1889; Miscellaneous records including correspondence, school books, genealogical notes, journals, financial records, 1829 - 1888.
Letters to Williamson's friends and family and notes by him on various subjects.
Williamson, Laurence