This is a list of the other places/things that were helpful to me in the search for loudspeaker design formulas, information, parts, and tips. Each list is organized according to your design experience - that is the first item should be considered as a fundamental item or necessary to understand the items following it. I will be adding more information and links to some other excellent websites soon.
How to Select and Use Loudspeakers and Enclosures - Murray P. Rosenthal Hayden Book Company, Inc. Rochelle Park, New Jersey ISBN 0-8104-0831-7
Great Sound Stereo Speaker Manual with Projects - David B. Weems TAB Books Division of McGraw-Hill, Inc.
Blue Ridge Summit, PA 17294-0850 ISBN 0-8306-3274-3