Just wanted to add the books from the last art lesson to the free books section plus a few more.
Practical hints on composition in painting By John Burnet
Portrait and figure painting By Frank Fowler – Section on composition.
Lectures and lessons on art By Francis W. Moody
The art of fresco painting By Mary Philadelphia Merrifield
An essay on the art of painting on glass. From the German By Emmanuel Otto Fromberg
The principles of colouring in painting, by Charles Martel By Thomas Delf