TY  - BOOK
AU  - Corrigan,Philip Richard D.
TI  - An introduction to Sears List of subject headings
T2  - A Programmed text in library and information science
U1  - 025.49 
PY  - 1967///
CY  - Hamden, Conn.
PB  - Archon Books
KW  - Sears, Minnie Earl,
KW  - Subject headings
KW  - Programmed instruction
ER  -