Fort Wool (English Wikipedia)

"Endicott board's report" (PDF). Coast Defense Study Group (CDSG). Archived from the original (PDF) on May 25, 2011. Retrieved December 20, 2012.
"Harbor Defenses of Chesapeake Bay Armament". Coast Defense Study Group. May 23, 2016. Retrieved March 10, 2019.
See "Harbor Defenses of the United States of America" Short history of US forts at CDSG.org
See "The First, Second, and Third Systems, 1794–1860" CDSG website.
"The Harbor Defenses of Chesapeake Bay". CDSG. May 23, 2016. Retrieved March 11, 2019.

dailypress.com (Global: 5,010^th place; English: 2,508^th place)

"Fort Wool Holds Spot In U.S. History". Daily Press Hampton Roads, VA. Retrieved December 21, 2012.

fortwiki.com (Global: low place; English: low place)

Fort Wool at FortWiki.com

navy.mil (Global: 206^th place; English: 129^th place)

history.navy.mil

"CSS Virginia (1862-1862), ex-USS Merrimack". U.S. Naval History & Heritage Command. Archived from the original on June 22, 2001. Retrieved December 21, 2012.

northamericanforts.com (Global: low place; English: low place)

Hampton Roads forts at American Forts Network

nps.gov (Global: 79^th place; English: 40^th place)

npgallery.nps.gov

"National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.

cr.nps.gov

"Simon Bernard and America's Coastal Forts". National Park Service. Archived from the original on March 7, 2003. Retrieved December 21, 2012.

usf.edu (Global: 3,578^th place; English: 2,097^th place)

etc.usf.edu

"Frank Leslie Famous Leaders and Battle Scenes of the Civil War". USF Clip Art Gallery web site. Retrieved December 20, 2012.

virginia.gov (Global: 1,338^th place; English: 592^nd place)

dhr.virginia.gov

"Virginia Landmarks Register". Virginia Department of Historic Resources. Retrieved March 19, 2013.
"Fort Wool National Register Nomination" (PDF). Virginia Department of Historic Resources. Retrieved July 28, 2011.

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

"The Chesapeake Bay: Avenue for Attack". George Mason University. Retrieved December 21, 2012.

web.archive.org (Global: 1^st place; English: 1^st place)

"Simon Bernard and America's Coastal Forts". National Park Service. Archived from the original on March 7, 2003. Retrieved December 21, 2012.
"Endicott board's report" (PDF). Coast Defense Study Group (CDSG). Archived from the original (PDF) on May 25, 2011. Retrieved December 20, 2012.
"CSS Virginia (1862-1862), ex-USS Merrimack". U.S. Naval History & Heritage Command. Archived from the original on June 22, 2001. Retrieved December 21, 2012.

wset.com (Global: low place; English: low place)

"Plan to protect migratory birds" at WSET.com, 15 February 2020

Fort Wool (English Wikipedia)

archive.org (Global: 6th place; English: 6th place)

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books.google.com (Global: 3rd place; English: 3rd place)

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dailypress.com (Global: 5,010th place; English: 2,508th place)

fortwiki.com (Global: low place; English: low place)

navy.mil (Global: 206th place; English: 129th place)

history.navy.mil

northamericanforts.com (Global: low place; English: low place)

nps.gov (Global: 79th place; English: 40th place)

npgallery.nps.gov

cr.nps.gov

usf.edu (Global: 3,578th place; English: 2,097th place)

etc.usf.edu

virginia.gov (Global: 1,338th place; English: 592nd place)

dhr.virginia.gov

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

web.archive.org (Global: 1st place; English: 1st place)

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archive.org (Global: 6^th place; English: 6^th place)

battlefields.org (Global: 8,828^th place; English: 5,027^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

dailypress.com (Global: 5,010^th place; English: 2,508^th place)

navy.mil (Global: 206^th place; English: 129^th place)

nps.gov (Global: 79^th place; English: 40^th place)

usf.edu (Global: 3,578^th place; English: 2,097^th place)

virginia.gov (Global: 1,338^th place; English: 592^nd place)

web.archive.org (Global: 1^st place; English: 1^st place)