Purdy's Instrument Handbook
PE Control Systems: Sample Questions & Solutions
The Condensed Handbook of Measurement and Control
Schaum’s Outline of Feedback and Control Systems, 2nd Edition (Schaum's Outlines)
Cameron Hydraulic Data
Control Systems Engineer Technical Reference Handbook
CONTROL VALVE HANDBOOK (Fisher, Emerson Automation Solutions) 5th Edition
Engineering Unit Conversions, 4th Ed
Fundamentals of Instrumentation