Try searching Google Books to find books that mention your case.
You can use Google Books to search within the full text of millions of books. It's a great way to find something specific, like information about a particular activist group.
Search for the book's title in Tripod to read it in full, since Google Books usually only lets you see a limited preview.
The Swarthmore Libraries can help you get books, even when we don't own a copy.
Here's how to get a book:
What about articles? You can get PDFs of articles and book chapters, too.