Levy

Bu kavram başka kaynaklarda da geçiyor

• The Slang Dictionary Etymological Historical and Anecdotal (1913)
• The American Dictionary and Cyclopedia (1910)
• A Dictionary of Men's Wear (1908)
• Chamber's Twientieth Century Dictionary (1908)
• Chamber's Etymological of the English Language (1895)
• Modern English Biography (1892)
• A Concise Dictionary of Middle English from A.D. 1150 to 1580 (1889)
• A Military Dictionary and Gazetteer (1881)