PUCPR Search for 'Provider:Spectrum Publications'

Leadership of discussion groups case material and theory

By Pollak, Gertrude K..
New York Spectrum Publications : distributed by Halsted Press 1975 .
391 p. , Includes index. 24 cm..
0470691751 (Halsted)

By Pollak, Otto.
Holliswood, N.Y. | New York Spectrum Publications | distributed by Halsted Press 1976 .
98 p. , 920327 24 cm..
0470150416

New York Spectrum Publications : distributed by Halsted Press 1975 .
ix, 417 p.

New York Spectrum Publications : distributed by Halsted Press 1976 .
382 p. , 920504 24 cm..
0470149817

New York Spectrum Publications 1978 .
555 p. , Includes index.