Two MSS printed here for the first time yield information not only on Lowther family, but on the north as a whole in the seventeenth century. Contain estate memoranda books, or 'diaries', of land and financial transactions, building work and family affairs. Not only record, but also explain why, decisions were taken which brought about growth of family estates and wealth. Four appendices including autobiography of Sir John Lowther I (d. 1637) which chronicles rise of young man lacking wealth or influence. Market: Economic history, inc. innovative agriculture.