This book is a fun history of clothes with lots of illustrations, many taken from portraits. It's by James Laver.
This book would be easier to show students because of its uniformity and how the images are all organized the same way. It is by Henny Harald Hansen, whose parents were apparently determined that he or she should be a walking example of bad spelling.
Here's a blurry photo from the second book to remind me of what I'm talking about.