800-50
VII. MICROFORMS
A. Related Materials:
1. With indexes. study guides. or other printed matter rather than without.
B. Permanence and Appearance:
1. Silver halide rather than any other emulsion.
2. Positive rather than negative.
3. Color rather than black and white.
C. Format (newspapers and newspaper-formatted serials):
1. Reel microfilm rather than any other microform.
D. Format (all other materials):
1. Microfiche rather than reel microfilm.
2. Reel microfilm rather than microform cassettes.
3. Microfilm cassettes rather than micro-opaque prints.
E. Size:
1. 35 mm rather than 16 mm.
VIII. WORKS EXISTING IN MORE THAN ONE MEDIUM
Editions are listed below in descending order of preference.
A. Newspapers, dissertations and theses, newspaper formatted serials:
1. Microform.
2. Printed matter.
B. All other materials:
1. Printed matter:
2. Microform.
3. Phonorecord.
(Effective: January 1. 1978.)
[END OF CHAPTER 800]
