TY  - BOOK
AU  - MacDonald, Sharon
TI  - We learn all about machines: a compete resource for preschool kindergarten and first grade teachers 
SN  - 0-8224-4590-5
AV  - M 531.07 Ma151 1991
PY  - 1991///
CY  - Carthage, Ill
PB  - Fearon Teacher Aids
KW  - Machine -- study and teaching
N1  - Preschool
ER  -