TY  - BOOK
AU  - Blackwelder,Richard E.
TI  - Classification of the animal kingdom
AV  - QL352 .B58
U1  - 590.12 
PY  - 1963///]
CY  - Carbondale, Ill.
PB  - Southern Illinois University Press
KW  - Animals
KW  - Classification
N1  - Bibliography: p. [72]-74
ER  -