Cod

Bu kavram başka kaynaklarda da geçiyor

• Adair's New Encyclopedia (1923)
• The Slang Dictionary Etymological Historical and Anecdotal (1913)
• Everybody's Encyclopedia (1912)
• Everybody's Encyelopedia (1912)
• The Grocer's Eneyclopedia (1911)
• Chamber's Twientieth Century Dictionary (1908)
• An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
• The Handy Cyclopedia of Common Things and Biographical Dictionary (1901)
• Pears Shilling Cyclopedia (1898)
• The Student's Medical Dictionary (1896)
• An Illustrated Encyclopedic Medical Dictionary (1892)
• A Concise Dictionary of Middle English from A.D. 1150 to 1580 (1889)
• Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
• Cooley's Cyclopedia of Practical Receipts and Collateral Information (1880)
• Zell's Condensed Dictionary (1879)