Have Lost Power From Texas to North Dakota After Devastating WinterStorm. www.time.com. Time. 15 February 2021 [19 February 2021]. (原始内容存档于2021-05-14).
extratropical transition of tropical cyclones in the North Atlantic (PDF). Journal of Climate. February 2001: 546–564 [2017-04-20]. Bibcode:2001JCli...14
Trials and Tribulations of the Cherokee Freedmen". American Indian Quarterly, Vol. 22, No. 1/2. (Winter – Spring, 1998), pp. 230–58. In 1835, 7.4% of Cherokee