This book, or booklet, by genealogist and Irish emigration expert Brian Mitchell recounts the history of departures from the port of Derry-Londonderry from the late 17th century to the year 1939, when the last transatlantic steamer sailed from the port. The author's brief narrative explains Derry's rise and ultimate decline as a port of embarkation, conveys century by century what persons utilized the port, traces the changes in emigration from the...