TY  - BOOK
AU  - Petersen,Louis C.
TI  - Educational Toys: Consisting Chiefly of Coping-Saw Problems for Children in School and the Home
PY  - 2013///
PB  - Project Gutenberg
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/43635
ER  -