Hillary, W. S. B. (1836). The national importance of a great central harbour for the Irish Sea, accessible at all times to the largest vessels, proposed to be constructed at Douglas, in the Isle of Man. Third edition, with an appendix. printed by Walls and Fargher.

Hillary, William Sir Bart. The National Importance of a Great Central Harbour for the Irish Sea, Accessible at All Times to the Largest Vessels, Proposed to Be Constructed at Douglas, in the Isle of Man. Third Edition, with an Appendix. printed by Walls and Fargher, 1836.