htid	access	rights	ht_bib_key	description	source	source_bib_num	oclc_num	isbn	issn	lccn	title	imprint	rights_reason_code	rights_timestamp	us_gov_doc_flag	rights_date_used	pub_place	lang	bib_fmt	collection_code	content_provider_code	responsible_entity_code	digitization_agent_code	access_profile_code	author