LEADER 00000cam a22003371i 4500 
008    690613s1969    nyua     b    001 0 eng u 
010       69011583 
035    (CaOTULAS)120987019 
035    |9(CaOTULAS)120987019 
040    LC|beng|cRID 
049    RIDM 
050  0 QA135.5|b.C59 
081    CTL0049601 
082    372.7 
090    QA135.5 .C59 
100 1  Collier, Calhoun C.|q(Calhoun Crofford),|d1916-|0https://
       id.loc.gov/authorities/names/no00064063 
245 10 Teaching mathematics in the modern elementary school /
       |cCalhoun C. Collier [and] Harold H. Lerch. 
264  1 [New York] :|bMacmillan,|c[1969] 
300    x, 373 pages :|billustrations ;|c24 cm 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
504    Bibliogr. 
650  0 Mathematics|xStudy and teaching (Elementary)|0https://
       id.loc.gov/authorities/subjects/sh85082163 
650  7 Mathematics|xStudy and teaching (Elementary)|2fast|0https:
       //id.worldcat.org/fast/1012272 
700 1  Lerch, Harold H.|0https://id.loc.gov/authorities/names/
       n81058895 
901    MARCIVE 20231220 
935    10577