Giant catalog covering hundreds of libraries' holdings worldwide. However it is not complete.

Great for discovering titles not in the Stanford catalog.

It is not complete; it lacks some holdings held by Stanford and other libraries.

You may be able to borrow thru Interlibrary Loan, publications you find which Stanford does not have.

Select the Worldcat link below. Choose  firstsearch.oclc.org   (this is the licensed database which is most detailed)

WorldCat [electronic resource].
Dublin, Ohio : OCLC,
https://searchworks.stanford.edu/view/6630416