Trap

Bu kavram başka kaynaklarda da geçiyor

• Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
• Webster's Condensed Dictionary- A Condensed Dictionary of the English Language (1909)
• Chamber's Twientieth Century Dictionary (1908)
• An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
• Chamber's Etymological of the English Language (1895)
• Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
• A Dictionary of the Vulgar Tongue (1811)
• Zell's Condensed Dictionary
• Trap-holes — A Dictionary of Military Terms (1918)
• Booby-Trap — The Slang Dictionary Etymological Historical and Anecdotal (1913)
• Clap-trap — The Slang Dictionary Etymological Historical and Anecdotal (1913)
• Louse-trap — The Slang Dictionary Etymological Historical and Anecdotal (1913)
• Potato-trap — The Slang Dictionary Etymological Historical and Anecdotal (1913)
• Wentle-trap — Chamber's Twientieth Century Dictionary (1908)
• Louse-trap — A Dictionary of Men's Wear (1908)