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Subjects
- Education--United States--History--19th century.2
- Geometry--Study and teaching.[remove]2
- Mathematics--Problems, exercises, etc.[remove]2
- Mathematics--Study and teaching.2
- Surveying--Study and teaching.2
- Angles (Geometry)1
- Arithmetic--Problems, exercises, etc.1
- Arithmetic--Study and teaching.1
- Buildings.1
- Business enterprises--Finance--Problems, exercises, etc.1
- Business enterprises--Finance--Study and teaching.1
- General stores.1
- Geometry--Problems, exercises, etc.1
- Geometry.1
- Horses.1
- Lakes.1
- Logarithms--Study and teaching.1
- Penmanship, American.1
- Rivers.1
- Surveying--Problems, exercises, etc.1