TY  - BOOK
AU  - Umstattd,James Greenleaf
TI  - Secondary school teaching,
AV  - LB1607 .U6 1944
U1  - 373 
PY  - 1944///]
CY  - Boston, New York [etc.]
PB  - Ginn and Co.
KW  - Teaching
KW  - Education, Secondary
KW  - High school
KW  - swd
KW  - Unterricht
N1  - "Selected references for further study" at end of each chapter
UR  - http://www.archive.org/details/secondaryschoolt00umst
UR  - http://www.openlibrary.org/books/OL6465304M
ER  -