11. Qualification standards for white collar positions under general schedule, Civil Service handbook X-118 [reprinted Mar. 1970]., transmittal sheets. Bookmark SuDoc number: CS 1.45:X-118/trans.sh.(nos.)
12. Qualification standards for white collar positions under general schedule, civil service handbook X-118 [new and revised pages], transmittal sheets. Bookmark SuDoc number: CS 1.45:X-118/trans.sh.(nos.)
13. Qualification standards for white collar positions under general schedule, civil service handbook X-118 [new and revised pages], transmittal sheets. Bookmark SuDoc number: CS 1.45:X-118/trans./sh.(nos.)