Psychology by Davis, Stephen F.

McGraw-Hill machining and metalworking handbook by Walsh, Ronald A.

Table of Contents: “…Modern Metalworking Machinery, Tools, and Measuring Devices -- Ch. 2. Mathematics for Machinists and Metalworkers -- Ch. 3. …”

Notable selections in economics

Table of Contents: “…From "Brief account of a general mathematical theory of political economy" / William Stanley Jevons -- 6.3. …”