TY  - BOOK
AU  - Heck,William Harry
TI  - A study of school recesses
T2  - University of Virginia record.  Extension ser.,
AV  - LB3033 .H4
PY  - 1917///]
CY  - [Charlottesville, Va.]
PB  - The University
N1  - Also available in digital form on the Internet Archive Web site; Also available in digital form on the Internet Archive Web site; Also available in digital form on the Internet Archive Web site
UR  - http://hdl.loc.gov/loc.gdc/scd0001.0021496983A
UR  - http://hdl.loc.gov/loc.gdc/scd0001.0021496983A
UR  - http://hdl.loc.gov/loc.gdc/scd0001.0021496983A
ER  -