TITRES de COURTOISIE

TITLES

• Courtesy title (Wikipedia)
  1 Divorced wives
  2 Widows
  3 Courtesy Titles for Heirs of Dukes
  4 Courtesy Titles for Heirs of Marquesses
  5 Courtesy Titles for Heirs of Earls

• People (Rank and file).
• A Glossary of European Noble, Princely, Royal, and Imperial Titles (heraldica.org)
  
• BURKE'S PEERAGE & GENTRY'S A TO Z GUIDE - a glossary (burkes-peerage.net) : BRITISH TITLES
  (burkes-peerage.net)
  
  
  
• When Is a lady a Lady? A Brief Explanation of English Titles (writing-world.com)

• Royal and noble styles ( Wikipedia, the free encyclopedia)

• Forms of Address in the United Kingdom ( Wikipedia, the free encyclopedia)
  On Envelopes / Salutation in Letter / Oral Address
  1 Notes
  2 Royalty
  3 Nobility
  4 Gentry
  5 Clergy

• Correct Forms of Address (chinet.com)