Clare People: John P. Holland (1841-1914)
Heritage History: John Philip Holland
John Philip Holland: Irish inventor of the submarine
Holland, John Philip
RTÉ Archives | Technology | Inventor of the Submarine, John P. Holland
John Phillip Holland - The Irish Callcards Site
John Philip Holland: The Father of the Modern Submarine
John Philip Holland: Inventor of the Submarine : Sligo Engineering Fair
Going Deep: John Philip Holland and the Invention of the Attack Submarine by Lawrence Goldstone
The Irishman Who Invented the Submarine - Irish America
John Philip Holland: Inventor of the Submarine : Sligo Engineering Fair
John Philip Holland's Submarine — AOH Florida State Board
Communicate Science: The Irish Submarine Pioneer: John Philip Holland
John Philip Holland High Resolution Stock Photography and Images - Alamy
john-philip-holland-inventor-of-the-submarine Off the Fence
INVENTOR OF THE SUBMARINE: JOHN PHILIP HOLLAND • Connecticut Public Television
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
JOHN PHILIP HOLLAND: SUBMARINE INVENTOR | RTÉ Presspack
JOHN PHILIP HOLLAND: SUBMARINE INVENTOR | RTÉ Presspack
John Philip Holland - Wikipedia
John Philip Holland - Wikipedia
John Phillip Holland | MY HERO
Favourite DIB lives: John Philip Holland, submarine inventor | Royal Irish Academy
John Philip Holland High Resolution Stock Photography and Images - Alamy
John Philip Holland
Irish Inventors and Marine Scientists Quiz – Coast Monkey
NIHF Inductee John Phillip Holland, Who Invented Submarines
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
John Philip Holland: the Irish inventor who helped take the war underwater
