Correspondence and other textual material relating to the Scottish Immigrant Aid Society, received and assembled by Rev. Andrew MacDonell, and arranged chronologically as a file perhaps by Clare Lawrence. Includes correspondence regarding the activities of the Society, especially regarding financing and settlement planning for the Society's settlement scheme in Alberta, Canada, minutes of 1925 meetings, printed reports for the years 1933 and 1939, and a 1926 field supervisor's report regarding Clandonald, Alberta. Includes an informal retrospective report by MacDonell in 1952, pamphlets, broadsides and other promotional material for the Clandonald settlement scheme, specifications from 1923 for farm workers' housing construction and settlers' cottages, copies of memoranda and requests for funds by MacDonell, correspondence with and copies of lectures in 1933 by Dr. Coady of the Extension Department of St. Francis Xavier University, and four indentures made in 1939 and the early 1940s by MacDonell with his relative Arthur Lawrence regarding property in Clandonald.