Word Origins
Oxford English DictionaryEbook. Also available in print.
Revised Medieval Latin Word-List from British and Irish Sources by Publication Date: 1965
Dictionaries - Disciplinary Concepts
Dictionary of Concepts in History by Publication Date: 1986
Dictionary of Concepts in the Philosophy of Science by Publication Date: 1988- Dictionary of the History of Science byPublication Date: 1981
Quotations
Oxford Dictionary of Scientific Quotations by Publication Date: 2005
Languages & Disciplines
Patterson's German-English Dictionary for Chemists by Publication Date: 1992
A Source-Book of Biological Names and Terms by Publication Date: 1944
Ideas & Concepts
- Dictionary of the History of Ideas (Online access)This is the classic earlier edition.
Available in print and online. 
New Dictionary of the History of Ideas (Online access) by Publication Date: 2005Available in print and as an eBook
