1.
Gruppe on Color - Emile A. Gruppe - Hardcover
by Gruppe, Emile A., Movalli, ...
ISBN: 9780823021550
List Price: $19.50
2.
Brushwork for the Oil Painter - Emil A. Gruppe - Hardcover
by Gruppe, Emil A., Movalli, C...
ISBN: 9780823005253
List Price: $18.95