HMS J4 (English Wikipedia)

"J4 Submarine". Shipwreck dive sites. Department of Planning and Community Development. Archived from the original on 7 March 2012. Retrieved 13 March 2011.
"Shallow or 90 Foot Submarine" (PDF), Dive Information Sheet, Department of Planning and Community Development, archived from the original (PDF) on 16 March 2011, retrieved 13 March 2011

navy.gov.au (Global: 8,554^th place; English: 5,107^th place)

Arnott, Terry, WWI J Class Subs, Maritime Archaeology Association Of Victoria, archived from the original on 29 September 2002

Victorian Ships' Graveyard Wrecks, archived from the original on 23 April 2011, retrieved 13 March 2011

"J4 Submarine". Shipwreck dive sites. Department of Planning and Community Development. Archived from the original on 7 March 2012. Retrieved 13 March 2011.
"Shallow or 90 Foot Submarine" (PDF), Dive Information Sheet, Department of Planning and Community Development, archived from the original (PDF) on 16 March 2011, retrieved 13 March 2011
Victorian Ships' Graveyard Wrecks, archived from the original on 23 April 2011, retrieved 13 March 2011
Milowka, Agnes, Victoria's J Class Submarines, archived from the original on 7 July 2011
Arnott, Terry, WWI J Class Subs, Maritime Archaeology Association Of Victoria, archived from the original on 29 September 2002