The online resources in this guide are just a small selection of the materials for teaching and research that Stanford's Libraries offer.
Start in SearchWorks, Stanford's library catalog https://searchworks.stanford.edu
Articles+ is a federated search, allowing users to search across many of Stanford's databases
Most (but not all) ebooks have their own records in SearchWorks. Searching directly in the databases will give access to more, and allow you to search within the texts!
There are many many additional resources available online - offered by scholars, libraries, archives, and societies - get to know the ones in your field!
If you can't find what you're looking for, please contact me directly.