Donkey

Bu kavram başka kaynaklarda da geçiyor

• The Slang Dictionary Etymological Historical and Anecdotal (1913)
• Chamber's Twientieth Century Dictionary (1908)
• A Concise Dictionary of Egyptian Archeology (1902)
• Phrases and Names Their Origins and Meanings (1896)
• 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)
• DONKEY ENGINE — Adair's New Encyclopedia (1923)
• Donkey Engine — Everybody's Encyelopedia (1912)
• Donkey engine — The American Dictionary and Cyclopedia (1909)
• Donkey-boiler and Engine — Chandler's Encyclopedia (1898)
• Donkey-engine — Nuttall's Standard Dictionary of the English Language (1890)
• Donkey-boiler — Illustrated Marine Encyclopedia (1890)
• Donkey-check-valve — Illustrated Marine Encyclopedia (1890)
• Donkey-funnel — Illustrated Marine Encyclopedia (1890)