Viñas-Nelson, Jessica. «Interracial Marriage in "Post-Racial" America». Origins: Current Events in Historical Perspective. The history departments at The Ohio State University and Miami University. Arxivat de l'original el December 6, 2018. [Consulta: 12 novembre 2018].
Goddard, Ives «The Identity of Red Thunder Cloud» (PDF) (en anglès). The Newsletter -- Society for the Study of the Indigenous Languages of the Americas, vol. 19, 1, 2000, pàg. 7–10.
Fenton, Ben. «The Secret Life of Patrick O'Brian». The Daily Telegraph, 24-10-1999. Arxivat de l'original el 5 January 2006. [Consulta: 26 agost 2008]. «O'Brian, 83, the author of a series of naval historical novels that have seen him lionised around the literary world, has always been assumed to be an Irishman from a Catholic family. He is not.»
Viñas-Nelson, Jessica. «Interracial Marriage in "Post-Racial" America». Origins: Current Events in Historical Perspective. The history departments at The Ohio State University and Miami University. Arxivat de l'original el December 6, 2018. [Consulta: 12 novembre 2018].
Fenton, Ben. «The Secret Life of Patrick O'Brian». The Daily Telegraph, 24-10-1999. Arxivat de l'original el 5 January 2006. [Consulta: 26 agost 2008]. «O'Brian, 83, the author of a series of naval historical novels that have seen him lionised around the literary world, has always been assumed to be an Irishman from a Catholic family. He is not.»