Polk's Crocker-Langley San Francisco city directory. R.L. Polk & Co. text San Francisco, Cal. : R.L. Polk & Co., c1930-c1952. eng v. : 28-31 cm. "Containing an alphabetical directory of business concerns and private citizens, a street and avenue guide and much information of a miscellaneous character; also a buyers' guide and a complete classified business directory" (varies). Business enterprises -- California -- San Francisco -- Directories. Industries -- California -- San Francisco -- Directories. San Francisco (Calif.) -- Directories. Crocker-Langley San Francisco (California) city directory. Polk's San Francisco (San Francisco County, Calif.) city directory.