TY  - BOOK
AU  - Davis,Calvin Olin
TI  - A Guide to Methods and Observation in History: Studies in High School Observation
AV  - D 
PY  - 2007///
PB  - Project Gutenberg
KW  - History -- Study and teaching
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/20893
ER  -