The UCLA Library holds a multitude of directories for Los Angeles City and County, all of which can be found in the UCLA Library Catalog.
Selected Los Angeles City Directories are also available digitally from the Los Angeles Public Library.
The UCLA Library has a definitive guide to the United States Census Statistics and Information as well as an in depth guides for Neighborhood Research and Community Analysis and analyzing Social Statistics and Data which provide an abundance of resources for population analysis of local communities and neighborhoods.
The following are some of the corporate and business records related to Jewish-owned businesses in Los Angeles. These and more can be found through the UCLA Library Catalog.
The UCLA Library has an abundance of maps and cartographic resources, as well as a research guide for those materials available at the Library (see link below). Also listed here are finding aids for the major collections of maps housed in the Department of Special Collections.