Here are some additional resources that may help if you weren't able to find much using the Top Resources. I also encourage you to email me or set up an appointment to meet with me (see my contact info on the lower left)--I can help you get unstuck!
Use these additional encyclopedia to learn more about a philosopher or philosophical topic. These sources can help give you background on your topic but also provide a very valuable bibliography which you can use for further sources for your research.
Enter your keywords to search these additional databases for peer reviewed articles on your topic or about a philosopher's work.
Use these databases to find a digital scan of a text by a major thinker who published their book before about 1930.