Communicate Science: John Philip Holland and Liscannor, Co. Clare
Heritage History: John Philip Holland
Holland, John Philip
John Philip Holland's Submarine — AOH Florida State Board
Timeline | John Philip Holland
Clare People: John P. Holland (1841-1914)
RTÉ Archives | Technology | Inventor of the Submarine, John P. Holland
Museum | John Philip Holland
Favourite DIB lives: John Philip Holland, submarine inventor | Royal Irish Academy
Happy Birthday John Philip Holland, "Father of the Modern Submarine" | The National WWII Museum Blog
Holland I - Wikipedia
The story of the Irishman who invented the submarine
Submarine inventor remembered 100 years on | The Clare Herald
Did you know the inventor of the submarine tested an early prototype in Cork's North Mon?
John Philip Holland - Wikipedia
File:The submarine designed by John P. Holland.jpg - Wikimedia Commons
The Irishman Who Invented the Submarine - Irish America
John Philip Holland, Inventor of the Submarine - Posts | Facebook
John Philip Holland: Irish inventor of the submarine
John Philip Holland: Irish inventor of the submarine
