INSERT INTO locator_types VALUES (1, 'volume');
INSERT INTO locator_types VALUES (2, 'issue');
INSERT INTO locator_types VALUES (3, 'document');
INSERT INTO locator_types VALUES (4, 'pages');
INSERT INTO locator_types VALUES (5, 'box');
INSERT INTO locator_types VALUES (6, 'folder');
INSERT INTO locator_types VALUES (7, 'url');