"Cavendish". The Norman People and Their Existing Descendants in the British Dominions and the United States of America. London: Henry S. King & Co. 1875. pp. 191–193 – via Google Books. Additional related information is found on pp. 165, 187, 341. This article incorporates text from this source, which is in the public domain.
"Last name: Cavendish". The Internet Surname Database. Name Origin Research. 2017. Archived from the original on 10 April 2019. Retrieved 19 March 2020. This tertiary source reuses information from other sources but does not name them.
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"Last name: Cavendish". The Internet Surname Database. Name Origin Research. 2017. Archived from the original on 10 April 2019. Retrieved 19 March 2020. This tertiary source reuses information from other sources but does not name them.