Approved with change |
No material or nonsubstantive change to a currently approved collection | 1981-03-21 | |
Approved without change |
Reinstatement with change of a previously approved collection | 1981-02-19 | |
Approved with change |
No material or nonsubstantive change to a currently approved collection | 1980-12-26 | |
Approved with change |
No material or nonsubstantive change to a currently approved collection | 1980-09-23 | |
Approved without change |
Revision of a currently approved collection | 1979-09-24 | |
Approved with change |
No material or nonsubstantive change to a currently approved collection | 1979-07-18 | |
Approved without change |
Extension without change of a currently approved collection | 1978-08-30 |