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Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
Holland, John Philip
Communicate Science: The Irish Submarine Pioneer: John Philip Holland
John Philip Holland: Irish inventor of the submarine
On This Day 24 February 1841 – Birth of John Philip Holland | Myles Dungan
John Philip Holland: the Irish inventor who helped take the war underwater
John Philip Holland's Submarine — AOH Florida State Board
John Philip Holland - Alchetron, The Free Social Encyclopedia
Favourite DIB lives: John Philip Holland, submarine inventor | Royal Irish Academy
John Philip Holland's Submarine — AOH Florida State Board
John Philip Holland: The Father of the Modern Submarine
JOHN PHILIP HOLLAND: SUBMARINE INVENTOR | RTÉ Presspack
John Philip Holland: Irish inventor of the submarine
Timeline | John Philip Holland
John Philip Holland
Clare People: John P. Holland (1841-1914)
Clare People: John P. Holland (1841-1914)
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
The Irishman Who Invented the Submarine - Irish America
John Philip Holland: The Father of the Modern Submarine
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
