publication_title print_identifier online_identifier date_first_issue_online num_first_vol_online num_first_issue_online date_last_issue_online num_last_vol_online num_last_issue_online title_url first_author title_id embargo_info coverage_depth notes publisher_name publication_type date_monograph_published_print date_monograph_published_online monograph_volume monograph_edition first_editor parent_publication_title_id preceding_publication_title_id access_type frequency "Code of Federal Regulations" 1938 1938 1 https://heinonline.org/HOL/Index?collection=cfr&set_as_cursor=clear fulltext