Approved without change |
Extension without change of a currently approved collection | 1977-03-31 | |
Approved without change |
Reinstatement with change of a previously approved collection | 1977-01-06 | |
Approved with change |
No material or nonsubstantive change to a currently approved collection | 1976-12-20 | |
Approved with change |
No material or nonsubstantive change to a currently approved collection | 1976-12-22 |