https://en.wikipedia.org/wiki/Craig_Air_Force_Base#:~:text=World%20War%20II%20Originally%20built%20by%20the%20U.S.,the%20first%20training%20fields%20to%20offer%20single-engine%20training.
https://www.seymourjohnson.af.mil/About-Us/Fact-Sheets/Seymour-Johnson-Air-Force-Base-History/
https://archives.delaware.gov/digital-archives/photograph-exhibits/dover-air-force-base-the-early-years/#:~:text=At%20this%20time%20a%20handful%20of%20soldiers%20were,squadrons%20in%20addition%20to%20safeguarding%20the%20eastern%20seaboard.
https://www.legacy.com/obituaries/clarionledger/obituary.aspx?n=john-harrington&pid=144648530
https://www.findagrave.com/memorial/154367023/hallie-claire-bidgood
https://military.wikia.org/wiki/Miami_Army_Airfield
1930 United States census https://www.familysearch.org/ark:/61903/3:1:33S7-9RHV-HG8?i=32&cc=1810731&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AXM16-DYY.
1940 United States census https://www.familysearch.org/ark:/61903/3:1:3QS7-89MR-XN7X?i=28&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AVBS3-JDM.
“Dead Pilot Had Three Brothers in Air Corps,” Newspapers.com
https://www.findagrave.com/memorial/40205691/hallie-harrington
“The Meridian Star” Meridian, Mississippi. Sunday, May 9th, 1943.
https://www.findagrave.com/memorial/154367023/hallie-claire-bidgood
http://www.wwiimemorial.com/Registry/plaque_tabletsmissing.aspx?honoreeID=793269
https://www.familysearch.org/ark:/61903/1:1:VBS3-JDM
The Last Full Measure: Lauderdale County in World War II by S W Calhoun Jr, Lauderdale County, Dept. Of Archives & History, Inc
familysearch.org
http://www.wwiimemorial.com/Registry/Search.aspx
https://aad.archives.gov/aad/record-detail.jsp?dt=929&mtch=1&cat=WR26&tf=F&sc=25005,25022,25006,25025,25007,25020,25028,25023&bc=,sl,fd&txt_25022=Fred+A+Harrington&op_25022=0&nfo_25022=V,24,1900&rpp=10&pg=1&rid=110576
http://usaafdata.com/
http://accident-report.com/
https://aviation-safety.net/wikibase/9597
findagrave.com
https://www.legacy.com/obituaries/clarionledger/obituary.aspx?n=john-harrington&pid=144648530
Rickard, J (31 July 2018), 318th Fighter Group, http://www.historyofwar.org/air/units/USAAF/318th_Fighter_Group.html
https://www.seymourjohnson.af.mil/About-Us/Fact-Sheets/Seymour-Johnson-Air-Force-Base-History/
https://archives.delaware.gov/digital-archives/photograph-exhibits/dover-air-force-base-the-early-years/#:~:text=At%20this%20time%20a%20handful%20of%20soldiers%20were,squadrons%20in%20addition%20to%20safeguarding%20the%20eastern%20seaboard.
https://www.legacy.com/obituaries/clarionledger/obituary.aspx?n=john-harrington&pid=144648530
https://www.findagrave.com/memorial/154367023/hallie-claire-bidgood
https://military.wikia.org/wiki/Miami_Army_Airfield
1930 United States census https://www.familysearch.org/ark:/61903/3:1:33S7-9RHV-HG8?i=32&cc=1810731&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AXM16-DYY.
1940 United States census https://www.familysearch.org/ark:/61903/3:1:3QS7-89MR-XN7X?i=28&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AVBS3-JDM.
“Dead Pilot Had Three Brothers in Air Corps,” Newspapers.com
https://www.findagrave.com/memorial/40205691/hallie-harrington
“The Meridian Star” Meridian, Mississippi. Sunday, May 9th, 1943.
https://www.findagrave.com/memorial/154367023/hallie-claire-bidgood
http://www.wwiimemorial.com/Registry/plaque_tabletsmissing.aspx?honoreeID=793269
https://www.familysearch.org/ark:/61903/1:1:VBS3-JDM
The Last Full Measure: Lauderdale County in World War II by S W Calhoun Jr, Lauderdale County, Dept. Of Archives & History, Inc
familysearch.org
http://www.wwiimemorial.com/Registry/Search.aspx
https://aad.archives.gov/aad/record-detail.jsp?dt=929&mtch=1&cat=WR26&tf=F&sc=25005,25022,25006,25025,25007,25020,25028,25023&bc=,sl,fd&txt_25022=Fred+A+Harrington&op_25022=0&nfo_25022=V,24,1900&rpp=10&pg=1&rid=110576
http://usaafdata.com/
http://accident-report.com/
https://aviation-safety.net/wikibase/9597
findagrave.com
https://www.legacy.com/obituaries/clarionledger/obituary.aspx?n=john-harrington&pid=144648530
Rickard, J (31 July 2018), 318th Fighter Group, http://www.historyofwar.org/air/units/USAAF/318th_Fighter_Group.html