Sources:
https://link.springer.com/chapter/10.1007/978-3-319-69099-5_2
http://www.oaksofchevithornebarton.com/about-history-of-garden.cfm
https://www.monumentaltrees.com/en/usa/tennessee/grundycounty/28013_savagecampingstation/51897/
https://archive.wvculture.org/history/parks/mingooak01.html
https://www.mrlocalhistory.org/oldesttrees/
https://www.dayton.com/places/park/dayton-oldest-sisters-are-550-years-old/P5nypeTBMZNzbGnbcxQteM/
https://directives.sc.egov.usda.gov/OpenNonWebContent.aspx?content=25907.wba
https://www.nps.gov/guis/learn/historyculture/live-oak-naval-icon.htm
https://www.arborday.org/programs/nationaltree/ntpressrelease.cfm
https://www.wildflower.org/magazine/native-plants/americas-romance-oak
https://austin.culturemap.com/news/city-life/10-06-17-history-treaty-oak-tree-downtown-austin/
https://www.cbs58.com/news/the-bizarre-story-of-a-man-who-tried-to-murder-a-600-year-old-tree
https://af-legacy-prd.americanforests.org/magazine/article/before-america-was-america/
https://www.suddenoakdeath.org/
https://www.nps.gov/articles/oak-decline.htm
https://mortonarb.org/app/uploads/2021/05/RedListOaks2020.pdf
https://cornwallhistoricalsociety.org/the-charter-oak-tree/
https://arachne.pierroton.inra.fr/QuercusPortal/index.php?p=EVOLUTIONARY_BIOLOGY
https://www.firstpeople.us/FP-Html-Legends/HowTheConifersShowThePromiseOfSpring-Seneca.html
https://www.whiskyadvocate.com/why-and-how-oak-matters-in-whisky/