Aberdeen City: New Street Trustees The New Streets Trustees material originated in the old Town Clerk's Department of the Town Council and is the product of the Trustees who were appointed to organise and administer the development of the new streets which were constructed in Aberdeen in the nineteenth century. The material comprises of the minutes of the Trustees, their letter books and financial records and a large collection of prior titles and miscellaneous deeds and legal documents relating to the areas being developed. They date from the mid sixteenth century to the mid nineteenth century.