Principles of Mathematics by carl allendoerfer

Calculus Made Easy Sylvanus P Thompson Third Edition Mathematics Macmillan

Essential Mathematics for Economics and Business: Fourth Edition

Iron and Steel: An Introductory Text-Book for Engineers and Metallurgists

The Principles of Speaking: A Text-Book for an Introductory Course

Chapters on Electricity: An Introductory Text-Book for Students in College

The Principles of Speaking: A Text-Book for an Introductory Course

Iron and Steel: An Introductory Text-Book for Engineers and Metallurgists