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
"Martindale's American Law Directory"			1868			1930			https://access.heinonline.com/HOL/Index?index=hubbell/martald&collection=hubbell		martald		fulltext		"New York: J.B. Martindale,"	serial								P	
"Hubbell's Legal Directory"			1870			1930			https://access.heinonline.com/HOL/Index?index=hubbell/hubbldi&collection=hubbell		hubbldi		fulltext		"New York: Hubbell,"	serial					Hubbell			P	
"Martindale-Hubbell Law Directory"	0191-0221		1931			1963			https://access.heinonline.com/HOL/Index?index=hubbell/marthub&collection=hubbell		marthub		fulltext		Martindale-Hubbell	serial								P