Peterson's Guide provides a directory of graduate and professional programs and also presents a wealth of advice articles that you may find useful. Peterson's does include a lot of advertising, so sometimes the page can get confusing.
Searching Peterson's:
The basic search feature on Peterson's (the big search box on the main page) is not very helpful, but you can try searching for keywords to see the results.
Use the Schools drop down menu, and then choose Search at the bottom.
Use the Left Side Navigation Bar to make choices :
Results: Use this primarily to identify schools with the type of program you want - you will use other tools to do the research. Do not rely on Peterson's for anything but the info on if the school has your program type.
Note: The order of search results in Peterson's is based on how much the school paid Peterson's, so make sure you go through the entire listing of results.