TY  - BOOK
AU  - Blackwood,Paul Everett
TI  - How children learn to think
AV  - L111 .A6 1951, no. 10
PY  - 1951///]
CY  - [Washington]
PB  - Federal Security Agency, Office of Education
KW  - Thought and thinking
KW  - Reasoning
N1  - L111.A6 1951, no. 10 with: How children learn about human rights / Wilhelmina Hill. Washington : Govt. Print. Off., 1951. Bound together subsequent to publication
ER  -