O'Kane, Caitlin (23 de enero de 2019). «Carrie Underwood gives birth to baby boy with husband Mike Fisher». CBS News. Consultado el 24 de enero de 2019. «Country star Carrie Underwood welcomed her second child on Monday, a baby boy named Jacob. She announced his birth on Instagram Wednesday.»
ccmhalloffame.com
«Carrie Underwood». Canadian Country Music Hall of Fame. Archivado desde el original el January 25, 2021. Consultado el November 5, 2020.
«It's My Life.». PBS Kids. Archivado desde el original el August 26, 2007. Consultado el August 6, 2007. «I was also a hospice volunteer and I got that through the sorority. You go and take care of people that are really sick. They don't want to be in the hospital anymore. It's just kind of about making them comfortable.»
«Shining Sigmas». Sigma Sigma Sigma. 2007. Archivado desde el original el August 12, 2007. Consultado el January 3, 2016.
«It's My Life.». PBS Kids. Archivado desde el original el August 26, 2007. Consultado el August 6, 2007. «I was also a hospice volunteer and I got that through the sorority. You go and take care of people that are really sick. They don't want to be in the hospital anymore. It's just kind of about making them comfortable.»
