See Also section & a possible reference
Hey Mariko,
The see also section is a good idea and it would be even better if it actually linked to those topics. :) If you're looking for more resources you might want to check out this book (available in rare books and special collections)http://webcat1.library.ubc.ca/vwebv/holdingsInfo?bibId=3618838 it's about the impact of political pressure on archives.