Oxford

Bu kavram başka kaynaklarda da geçiyor

• A Dictionary of Men's Wear (1908)
• Nuttall Encyclopedia (1907)
• The Century Cyclopedia of Names (1904)
• Pears Shilling Cyclopedia (1898)
• Phrases and Names Their Origins and Meanings (1896)
• Modern English Biography (1892)
• A Military Dictionary and Gazetteer (1881)
• Zell's Condensed Dictionary (1879)