TY  - BOOK
AU  - Ballard,Robert
TI  - The Solution of the Pyramid Problem: or, Pyramide Discoveries with a New Theory as to their Ancient Use
PY  - 2012///
PB  - Project Gutenberg
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/40091
ER  -