Federal Emergency Management Agency. Hurricane Bret Update. Government of the United States. 1999-08-23 [2010-06-07]. (原始内容存档于2010-06-07). (页面存档备份,存于互联网档案馆)
National Weather Service in Houston-Galveston, Texas. Preliminary Storm Reports. National Oceanic and Atmospheric Administration. 1999-08-24 [2008-10-14]. (原始内容(TXT)存档于2008-10-14). (页面存档备份,存于互联网档案馆)
National Weather Service in Corpus Christi, Texas. Preliminary Storm Reports. National Oceanic and Atmospheric Administration. 1999-08-24 [2008-10-14]. (原始内容(TXT)存档于2008-10-14). (页面存档备份,存于互联网档案馆)
National Weather Service in Brownsville, Texas. Preliminary Storm Reports. National Oceanic and Atmospheric Administration. 1999-08-24 [2008-10-14]. (原始内容(TXT)存档于2008-10-14). (页面存档备份,存于互联网档案馆)
National Weather Service in Houston-Galveston, Texas. Hurricane Bret (August 1999). National Oceanic and Atmospheric Administration. 2008-06-20 [2009-09-03]. (原始内容存档于2009-09-03). (页面存档备份,存于互联网档案馆)
National Weather Service in Houston-Galveston, Texas. Preliminary Storm Reports. National Oceanic and Atmospheric Administration. 1999-08-24 [2008-10-14]. (原始内容(TXT)存档于2008-10-14). (页面存档备份,存于互联网档案馆)
National Weather Service in Corpus Christi, Texas. Preliminary Storm Reports. National Oceanic and Atmospheric Administration. 1999-08-24 [2008-10-14]. (原始内容(TXT)存档于2008-10-14). (页面存档备份,存于互联网档案馆)
National Weather Service in Brownsville, Texas. Preliminary Storm Reports. National Oceanic and Atmospheric Administration. 1999-08-24 [2008-10-14]. (原始内容(TXT)存档于2008-10-14). (页面存档备份,存于互联网档案馆)
National Weather Service in Houston-Galveston, Texas. Hurricane Bret (August 1999). National Oceanic and Atmospheric Administration. 2008-06-20 [2009-09-03]. (原始内容存档于2009-09-03). (页面存档备份,存于互联网档案馆)
Federal Emergency Management Agency. Hurricane Bret Update. Government of the United States. 1999-08-23 [2010-06-07]. (原始内容存档于2010-06-07). (页面存档备份,存于互联网档案馆)