R.O. Evans

档案中的R.O. Evans

时期与流派

19th Century

题材

Illustration

文化

American

R.O. Evans的代表作品

1. Business methods. (1890)
2. Counting and writing numbers, or numeration and notation (1890)
3. Elementary principles (1890)
4. Business methods (1891)
5. Business methods 2 (1890)
6. Book keeping (1892)
7. Mensuration (1890)
8. Percentage (1890)