Use the General Reference Databases to find information about your topic!
Print and electronic Reference books and also have information on your topic (Example: Encyclopedia of Interior Design).
There are many books on Art Nouveau right here in the GFU Library. Discover them by searching in Primo, narrowing your search to GFU only! Hint: Once you've found one book, chances are good that you will find others like it right next to it on the shelf. Try the Virtual Browse feature in Primo to see what's there.