Weeks, L. H. (1907). Book of Bruce: Ancestors and descendants of King Robert of Scotland. Being an historical and genealogical survey of the kingly and noble Scottish house of Bruce and a full account of its principal collateral families. With special reference to the Bruces of Clackmannan, Cultmalindie, Caithness, and the Shetland Islands, and their American descendants. New York: The Americana society.

Weeks, Lyman Horace. Book of Bruce: Ancestors and Descendants of King Robert of Scotland. Being an Historical and Genealogical Survey of the Kingly and Noble Scottish House of Bruce and a Full Account of Its Principal Collateral Families. With Special Reference to the Bruces of Clackmannan, Cultmalindie, Caithness, and the Shetland Islands, and Their American Descendants. New York: The Americana society, 1907.

Weeks, Lyman Horace. Book of Bruce: Ancestors and Descendants of King Robert of Scotland. Being an Historical and Genealogical Survey of the Kingly and Noble Scottish House of Bruce and a Full Account of Its Principal Collateral Families. With Special Reference to the Bruces of Clackmannan, Cultmalindie, Caithness, and the Shetland Islands, and Their American Descendants. New York: The Americana society, 1907.