Birkenhead Yielding Spinning Spindle Bearing. Edward W. Byrn.十九世纪发明进展.
Stockton_ (the latter built by the Lairds of Birkenhead and launched in 1837). 威廉·亨利·杜利特.世纪发明.
In those years the firm of John Laird of Birkenhead began the building of practical iron vessels, and he was followed soon by Sir William Fairbairn at Manchester, and Randolph, Elder & Co. 威廉·亨利·杜利特.世纪发明.
Smith (now Lord Birkenhead) in Ireland. 赫伯特·乔治·威尔斯.世界史纲.
The preliminary step in this direction was made by Birkenhead in patent No. 205,718, July 9, 1878. Edward W. Byrn.十九世纪发明进展.