Oto początek tego pliku dla MARC21 z katalogu /marc_datas/marc21_en/structure_def.sql:
INSERT INTO marc_subfield_structure VALUES ('010', 'a', 'LC control number', 'LC control number', 0, 0, 'biblioitems.lccn', 0, NULL, , );
INSERT INTO marc_subfield_structure VALUES ('010', 'b', 'NUCMC control number', 'NUCMC control number', 1, 0, , 0, , ,
);
INSERT INTO marc_subfield_structure VALUES ('010', 'z', 'Canceled or invalid LC control number', 'Canceled or invalid LC control number', 1, 0, , -1, , , );
INSERT INTO marc_subfield_structure VALUES ('015', '6', 'Linkage “See ”', 'Linkage “See ”', 0, 0, NULL, -1, NULL, NULL, );
INSERT INTO marc_subfield_structure VALUES ('015', '8', 'Field link and sequence number “See ”', 'Field link and sequence number “See ”', 1, 0, NULL, -1, NULL, NULL, );
INSERT INTO marc_subfield_structure VALUES ('015', 'a', 'National bibliography number', 'National bibliography number', 1, 0, NULL, -1, NULL, NULL, );
INSERT INTO marc_subfield_structure VALUES ('017', '6', 'Linkage “See ”', 'Linkage “See ”', 0, 0, NULL, -1, NULL, NULL, );
INSERT INTO marc_subfield_structure VALUES ('017', '8', 'Field link and sequence number “See ”', 'Field link and sequence number “See ”', 1, 0, NULL, -1, NULL, NULL, );
INSERT INTO marc_subfield_structure VALUES ('017', 'a', 'International Standard Book Number', 'International Standard Book Number', 1, 0, NULL, -1, NULL, NULL, );
Ja się na tym nie znam, dlatego być może ktoś chciałby podjąć tę sprawę?