TY  - BOOK
AU  - Laughing letters
AU  - Linn, J. R., Dr...[et al.]
ED  - The Ottawa public school board
TI  - Laughing letters 
PY  - 1967///
CY  - Toronto 
PB  - Holt, Rinehart and Winston of Canada, Ltd 
KW  - Reading materials
KW  - Children's literature
ER  -