Timeline | John Philip Holland
The Irishman Who Invented the Submarine - Irish America
Timeline | John Philip Holland
Communicate Science: John Philip Holland and Liscannor, Co. Clare
Timeline | John Philip Holland
Inventor of the Submarine: John Philip Holland – Library Media Blog
The Punt: New coin is putting a price on invention - Independent.ie
pH7 Design Studio
Going Deep: John Philip Holland and the Invention of the Attack Submarine by Lawrence Goldstone
OTD in 1841 – Birth of inventor and developer of the modern submarine, John Philip Holland, in Co Clare.
Birth of Engineer John Philip Holland | seamus dubhghaill
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
Timeline | John Philip Holland
Clare People: John P. Holland (1841-1914)
John Phillip Holland | MY HERO
John Philip Holland: Irish inventor of the submarine
Timeline | John Philip Holland
John Philip Holland - Wikipedia
JOHN PHILIP HOLLAND: SUBMARINE INVENTOR | RTÉ Presspack
Going Deep: John Philip Holland and the Invention of the Attack Submarine by Lawrence Goldstone
JOHN PHILIP HOLLAND: SUBMARINE INVENTOR | RTÉ Presspack
Favourite DIB lives: John Philip Holland, submarine inventor | Royal Irish Academy
Clare People: John P. Holland (1841-1914)
John Philip Holland: the Irish inventor who helped take the war underwater
John Philip Holland, submarine pioneer - IAN KENNEALLY - HISTORIAN AND WRITER
