The guide is posted on the LLOC “In CustodiasLegis” blog.
From the Introduction:
Compiling a federal legislative history may seem intimidating at first glance, but it does not have to be. In this Beginner’s Guide, we revisit previous posts to create a comprehensive research guide that you can use to compile your own federal legislative history.
Direct to the Complete Beginner’s Guide to Compiling a Federal Legislative History
Bavis and Brammer are the authors of many other useful “Beginner’s Guides” to researching various congressional and government topics. You can find links to all of them here.