When devising a search strategy for using the library's resources, you can try simply typing your chosen Theorist. For example:
If you retrieve an unwieldy number of results, try a narrower search by including a phrase with the Theorist' name, such as:
(include the quotation marks; this searches the words as a phrase rather than as separate words)
Before starting your search, run a quick Google search of your Theorist' name to see if there exist variant spellings. For example, Alfarabi is also known as:
So when searching Alfarabi in a library datbase, use this example of a search string, including the "OR"s, to find articles that use any four spelling variations:
Alfarabi OR Al-Farabi OR Alfarbius OR Farabi
GoogleScholar. Go to the Library FAQ, "How do I use Google Scholar?" for help in effectively using Google Scholar.
Wikipedia. Take advantage of the references, bibliographies, sources, external links, and further reading at the end of Wikipedia articles. Example in Wikipedia's article on Augustine.