Marshall, W. F. 1. (1950). Ulster sails west: The story of the great emigration from Ulster to North America in the 18th century, together with an outline of the part played by Ulstermen in building the United States (3rd ed.). [S.l.: s.n.].

Marshall, William F. 1888-1959. Ulster Sails West: The Story of the Great Emigration From Ulster to North America in the 18th Century, Together With an Outline of the Part Played By Ulstermen in Building the United States. 3rd ed. [S.l.: s.n.], 1950.

Marshall, William F. 1888-1959. Ulster Sails West: The Story of the Great Emigration From Ulster to North America in the 18th Century, Together With an Outline of the Part Played By Ulstermen in Building the United States. 3rd ed. [S.l.: s.n.], 1950.