Handbook of Filter Media - Elsevier Advanced Technology - 2nd edition

The Humanure Handbook: A Guide to Composting Human Manure, Jenkins, 3rd Edition

Yoga Practise Handbook by Chloe Fremantle, Still Publishing, 3rd edition 2007

Dust Collection with Bag Filters and Envelope Filters - book

Advanced Design and Technology 3rd Edition - Urry, Syd

The Master Handbook Of Acoustic 3rd Edition F. Alton Everest

Sutherland’s 3rd Edition Handbook For Bicycle Mechanics.

Vintage Machinery's Handbook Twenty First Edition 3rd Printing 1980 Engineering