Ampex Corporation. A Guide to Media and Formats. Redwood City, CA: Ampex, Magnetic Tape Division, 1989.
Ampex Virtual Museum by Howard Sanner has historical information about Ampex devices and some reprinted publications.
Iisakkila, Mika Video recording formats
Lion Lamb Quadruplex Park
An extensive and detailed technical definition of most of the early formats used in video recording.
Murphy, William T., Television and Video Preservation 1997. Washington, DC: Library of Congress, 1997.
See the chapter "The Materials and their Preservation Needs" tape charts.
Stauderman, Sarah. The Video Format Identification Guide
This site can assist you in identifying the various videotape formats in your collections; over 50 different video formats have been used since the technology was introduced in the 1950s. The formats are organized by time periods, with an indication of the difficulty of accessing the technology. This information and pictures were put together as part of the Electronic Media Special Interest Group of the American Institute for Conservation of Historic and Artistic Works (AIC).
VidiPax
Video Format Guide offers Videotape Format Characteristics and Videotape Format Descriptions with a picture of each.