Approved without change |
Extension without change of a currently approved collection | 1978-07-14 | |
Approved with change |
No material or nonsubstantive change to a currently approved collection | 1977-09-19 | |
Approved without change |
Reinstatement with change of a previously approved collection | 1976-07-29 | |
Approved without change |
Revision of a currently approved collection | 1974-11-18 |