An Introduction to Sears list of subject headings

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Corrigan, Philip Richard D.
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	London Bingley 1967
Ábhair:	Sears, Minnie Earl, 1873-1933. List of subject heading for small libraries. Subject headings > Programmed instruction.