Use the ROCKY MOUNTAIN ONLINE ARCHIVE (RMOA) engine to search the inventories of archival collections at the CSWR. (The RMOA can also search the inventories of collections at over 30 other repositories in NM, CO and WYO).
Here are some references in the archival collections at CSWR related to African Americans in NM:
Use Advanced Search. Limit by institution = UNM Center for Southwest Research (or can open to all.)
Use keyword to search for topic.
When looking inside an individual collection inventory, use CTRL + F to open a Find window - type in search term to locate it in the inventory.