00744nam a2200229Ia 4500 84901 BIBL 20160527203649.0 700925s1970 dcu 00100 eng 79131907 //r88 EVLG LB2822 .N39 372.1/2/0120973 372.12 N277a National Education Association of the United States. Dept. of Elementary School Principals. 141270 Local The assistant principalship in public elementary schools--1969 a research study. [Washington] National Association of Elementary School Principals [1970] 96 p. 4.00 920901 School principals 166446 Local 68889 68889 0 0 0 372_120000000000000_N277A 0 evl 365062 10 10 1 2016-05-27 135346 0 372.12 N277a 80000000615800 2016-05-27 00:00:00 c. 2 r:84901 z:NCC:D 6 0 0 0 372_120000000000000_N277A 0 evl 365063 10 10 1 2016-05-27 135345 0 372.12 N277a 80000000615792 2016-05-27 00:00:00 r:84901 z:NCC:D 6