Marblehead Harbor (English Wikipedia)

Westfield, Duane and Bill Purdin. "The Birthplace of the American Navy". Marblehead Magazine. Archived from the original on 12 August 2021. Retrieved 26 April 2011.

marblehead.org (Global: low place; English: low place)

"Visiting & Town History". Marblehead Massachusetts Official Website. Archived from the original on 14 February 2009. Retrieved 3 August 2011.

"Massachusetts Naval Aviation Bases 1915-1920". The Massachusetts Aviation Historical Society. Archived from the original on 12 November 2017. Retrieved 29 December 2013.

"Hannah". Dictionary of American Naval Fighting Ships. Department of the Navy, Naval Historical Center. Archived from the original on 15 March 2004. Retrieved 19 August 2012.

"Hannah". Dictionary of American Naval Fighting Ships. Department of the Navy, Naval Historical Center. Archived from the original on 15 March 2004. Retrieved 19 August 2012.
Westfield, Duane and Bill Purdin. "The Birthplace of the American Navy". Marblehead Magazine. Archived from the original on 12 August 2021. Retrieved 26 April 2011.
"Massachusetts Naval Aviation Bases 1915-1920". The Massachusetts Aviation Historical Society. Archived from the original on 12 November 2017. Retrieved 29 December 2013.
"Visiting & Town History". Marblehead Massachusetts Official Website. Archived from the original on 14 February 2009. Retrieved 3 August 2011.