Pathfinder Society AllySource Agents of Evil pg. 13
The Pathfinder Society grants you access to its archives in thanks for services previously rendered.
Prerequisites: Associate (Pathfinder Society).
Benefit: The Pathfinder Society’s vast archives are available for you to exploit. In any settlement that is the size of a small town or larger, you can spend 1d4 hours researching notes from available Pathfinders to gain a +4 circumstance bonus on a single Knowledge check.