TY  - SER
AU  -  Rigaud, J. F. 
TI  -  A Treatise on Painting 
AV  - ND 
PY  - 2014///
PB  -  Project Gutenberg, 
KW  -  Painting -- Technique -- Early works to 1800
KW  -  Leonardo, da Vinci, 1452-1519
KW  -  Drawing -- Technique -- Early works to 1800
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/46915
ER  -