Turning our attention to the map collection, we have Baist's real estate atlas of surveys of Los Angeles, California, 1921. This particular map set “Covers the area of Los Angeles in a roughly 6-7 mile concentric circle centered on Broadway and First Street in downtown Los Angeles. Includes index to tracts additions and subdivisions, tract maps, and the San Fernando Valley. Complete in one volume, compiled and published from official records, private records, actual surveys"
Find the map set here