Medieval English families on the internet: U
- The Urry Family (Mark Sebastian Bastiani Urry) [not available, 22 September 2021; see the Internet Archive's copy of this page, from May 2018]
Notes on occurrences of the name, Isle of Wight and elsewhere, 12th century and later.
- Reedness and Ousefleet (Raymond E. O. Ella, Goole on the Web) [not available, 11 December 2018; see the Internet Archive's copy of this page, from May 2012]
Miscellaneous notes on the medieval Usflete family.
- Usflete Heraldry (Raymond E. O. Ella, this site)
Two photographs showing the heraldry of the Usflete family on funeral monuments.