Western State Digital Imaging Best Practices
Best practice guidelines for all stages of a digitization project. Detailed discussion of scanning standards and methods.

Western State Digital Imaging Quick Reference Guide for Scanning
Tables outlining standards for scanning images

The NINCH Guide to Good Practice in the Digital Representation and Management of Cultural Heritage Materials
The Humanities Advanced Technology and Information Institute (HATII), University of Glasgow, and the National Initiative for a Networked Cultural Heritage (NINCH) published this comprehensive manual, which sets forth the standards and practices expected by major funding agencies (IMLS, NEH) for digitization of text, images, and multimedia materials, sustainability and preservation of digital materials, project management and collaboration.