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Bu kavram başka kaynaklarda da geçiyor

• A Dictionary of Scientific Terms (1927)
• Adair's New Encyclopedia (1923)
• Hawkins' Electrical Dictionary (1915)
• The American Illustrated Medical Dictionary (1913)
• The American Dictionary and Cyclopedia (1910)
• The Nurse's Dictionary of Medical Terms and Nursing Treatment (1909)
• Chamber's Twientieth Century Dictionary (1908)
• The Optical Dictionary (1904)
• Chandler's Encyclopedia (1898)
• Pears Shilling Cyclopedia (1898)
• Chamber's Etymological of the English Language (1895)
• An Illustrated Encyclopedic Medical Dictionary (1893)
• Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
• Zell's Condensed Dictionary (1879)