TY  - BOOK
AU  - Blackie,Geo
TI  - Our Knowledge Box: or, Old Secrets and New Discoveries
PY  - 2013///
PB  - Project Gutenberg
N1  - Project Gutenberg; Freely available; Electronic text
UR  - http://www.gutenberg.org/etext/43418
UR  - http://www.gutenberg.org/license
ER  -