`size` varchar(255) default NULL, -- material size (MARC21 300$c)
`place` varchar(255) default NULL, -- publication place (MARC21 260$a)
`lccn` varchar(25) default NULL, -- library of congress control number (MARC21 010$a)
- `marc` longblob, -- full bibliographic MARC record
`url` text default NULL, -- url (MARC21 856$u)
`cn_source` varchar(10) default NULL, -- classification source (MARC21 942$2)
`cn_class` varchar(30) default NULL,
`size` varchar(255) default NULL, -- material size (MARC21 300$c)
`place` varchar(255) default NULL, -- publication place (MARC21 260$a)
`lccn` varchar(25) default NULL, -- library of congress control number (MARC21 010$a)
- `marc` longblob, -- full bibliographic MARC record
`url` text default NULL, -- url (MARC21 856$u)
`cn_source` varchar(10) default NULL, -- classification source (MARC21 942$2)
`cn_class` varchar(30) default NULL,