000
00276nam a2200121Ia 4500
100
_a
Beckwith, Mary
942
_c
BK
654
_a
245
_a
Effective elementary school teacher
260
_a
New York
_b
Parker Publishing Company
_c
1968
082
_a
372
300
_a
x,212
999
_c
355466
_d
355466
041
_a
eng