Oakland Public Library is a congressionally designated depository for U.S. Government Documents. Public access to the government documents collection is guaranteed by public law. (Title 44 United States Code). OPL is a partial depository for state and federal government documents, housing more than 200,000 government publications, most of them available to check out. Use the catalog to search the library's holdings, ask a librarian, or use the links below to search other government information sources.