Zimmerman’s Research Guide will go off the Lexis Info Pro site at the end of 2015. The updated Guide will be available only as a private database. There will be no updated public version as of January 1, 2016.
The Internet Archive will host an archived editions of the Guide. To find the archived text, click here and put “law.lexisnexis.com/infopro/zimmermans” into the Wayback Machine search box.