John Thynne, 4th Marquess of Bath (English Wikipedia)

Lee, Sidney; Edwards, A. S. G. (revised) (2004). "Thynne, William (d. 1546)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/27426. (Subscription or UK public library membership required.)
Marshall, Alan (2008) [2004]. "Thynne, Thomas [nicknamed Tom of Ten Thousand] (1647/8–1682)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/27423. (Subscription or UK public library membership required.)

historyofparliamentonline.org

Booth, Muriel. "Thynne, John (?1550–1604), of Longleat, Wilt". History of Parliament. The History of Parliament Trust. Retrieved 2 January 2016.
Lancaster, Henry; Thrush, Andrew. "Thynne, Charles (c.1568–1652), of Cheddar, So". History of Parliament. The History of Parliament Trust. Retrieved 2 January 2016.
Ferris, John P. "Thynne, Sir James (c.1605-70), of Longbridge Deverill, Wilt". History of Parliament. The History of Parliament Trust. Retrieved 2 January 2016.
Helms, M. W.; Ferris, John P. "Thynne, Sir Thomas (c.1610–c.69), of Richmond, Sur". History of Parliament. The History of Parliament Trust. Retrieved 2 January 2016.
Hayton, D. W. "Thynne, Hon. Henry (1675-1708)". The History of Parliament. The History of Parliament Trust. Retrieved 2 January 2016.
Escott, Margaret. "Thynne, Lord Henry Frederick (1797-1837), of 6 Grovesnor Square, Md". History of Parliament. The History of Parliament Trust. Retrieved 2 January 2016.

Heath-Caldwell, J. J. "Thomas Thynne, 1st Marquess of Bath, 3rd Viscount Weymouth". JJ Heath-Caldwell. Retrieved 2 January 2016.

Lee, Sidney; Edwards, A. S. G. (revised) (2004). "Thynne, William (d. 1546)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/27426. (Subscription or UK public library membership required.)
Marshall, Alan (2008) [2004]. "Thynne, Thomas [nicknamed Tom of Ten Thousand] (1647/8–1682)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/27423. (Subscription or UK public library membership required.)
Thorne, Roland. "Carteret [formerly Thynne], Henry Frederick". Oxford Dictionary of National Biography. Retrieved 2 January 2016.

British Armourial Bindings: Barry of Ten, University of Toronto Libraries, accessed 16 Dec 2017.