Q. Articles on how the concept of gender had changed over time.
Use One Search on the library home page at http://www.sunysuffolk.edu/explore-academics/library/index.jsp
Type gender and Europe into the search box. You'll see books and articles on a variety of time periods and geographical regions that you can use to learn about the topic you're researching.
If you need more help after you've explored these options, please ask a librarian.