Practical arithmetic,

"Answers": p. [369]-376.

Notes on elements of (analytical) solid geometry /

Spine title: Venable's notes on solid geometry.

An easy algebra for beginners; being a simple, plain presentation of the essentials of elementary algebra, and also adapted to the use of those who can take only a brief course in this study.

"Answers": p. 143-157.

Mental arithmetic : containing oral exercises in abstract and commercial arithmetic /

Mode of access: Internet.

A practical arithmetic

Mode of access: Internet.

A practical arithmetic,

Mode of access: Internet.

A key : containing solutions of the more difficult examples in Venable's Practical and Mental Arithmetics.

Mode of access: Internet.

An intermediate arithmetic. Uniting mental and written exercises ...

Mode of access: Internet.

Nigeria, our latest protectorate

by Charles Henry Robinson

Genesis of species.

2nd ed