Making Digital Negatives for Contact Printing
Dan Burkholder
A Step by Step Guide to Affordable Enlarged Negatives for Silver, Platinum and Other Printing Processes. Highly recommended
Precision Digital Negatives for Silver & Other Alternative Photographic Processes
Mark Nelson
An eBook (cd rom) describing an ingenious method—Color Density Range Control. which matches the density range of the digital negative precisely to the exposure scale of any process and/or contrast mix—before applying a Process Adjustment Curve. Very inventive.
The Digital Printing Handbook
Tim Daly
From Scanning to Printing, this book will explain the basics to get you started in digital photography. Recommended for beginners