While the exact shape and technique would need to be modified to make a more 16th century pair of drawers, the ideas and discussion around fit, sizing and body shape are well thought out, easy to understand and very helpful!
http://www.thesewingacademy.com/wp-content/uploads/2011/04/2010Drawers.pdfPlease note:
If the link above isn't working (it's on and off again for me) just go to the
"The Compendium" tab at the top of the sewingacademy's home page, scoll down the page to the Free Patterns for women section, and there the drawers pattern will be.