TY  - BOOK
AU  - Hudson,W.D.
TI  - The is-ought question: a collection of papers on the central problems in moral philosophy 
T2  - Controversies in philosophy
SN  - 0333101782
U1  - 170/.8 
PY  - 1969/// [reprinted1983]
CY  - London
PB  - Macmillan
KW  - Ethics
N1  - Bibliographical footnotes
ER  -