John Philip Holland: The Father of the Modern Submarine
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
The Irishman Who Invented the Submarine - Irish America
JOHN PHILIP HOLLAND: SUBMARINE INVENTOR | RTÉ Presspack
The story of the Irishman who invented the submarine
John Philip Holland: Inventor of the Submarine : Sligo Engineering Fair
RTÉ Archives | Technology | Inventor of the Submarine, John P. Holland
Central Bank of Ireland Issues Commemorative Coin in Honor of Submarine Inventor John Philip Holland
Timeline | John Philip Holland
Holland, John Philip
Heritage History: John Philip Holland
John Philip Holland: Irish inventor of the submarine
Did you know the inventor of the submarine tested an early prototype in Cork's North Mon?
Museum | John Philip Holland
John Philip Holland: Inventor of the Submarine : Sligo Engineering Fair
John Philip Holland (1840 – 1914) Inventor of the Submarine – Coast Monkey
A Man, a Plan, a Submarine: John Philip Holland – Coast Monkey
OTD in 1841 – Birth of inventor and developer of the modern submarine, John Philip Holland, in Co Clare.
Clare People: John P. Holland (1841-1914)
File:The submarine designed by John P. Holland.jpg - Wikimedia Commons
Happy Birthday John Philip Holland, "Father of the Modern Submarine" | The National WWII Museum Blog
Submarine inventor remembered 100 years on | The Clare Herald
