George Jeffreys | Garland Jeffreys | Minot's Ledge Light | Stephen Jeffreys | Sheila Jeffreys | Harold Jeffreys | Atherfield Ledge | Three and One-half Fathom Ledge | Meet on the Ledge | Joyce Jeffreys | John R.F. Jeffreys | John Gwyn Jeffreys | J. G. Jeffreys | Jeffreys Bay | Gina Jeffreys | George Jeffreys, 1st Baron Jeffreys | Garland Jeffreys and Grinder's Switch | Alec Jeffreys |
The UWL was used in the waters of the North and Baltic Seas and, in 1975, on Jeffreys Ledge, in the Gulf of Maine along the coast of New England in the USA.