Library of Congress Rule Interpretations
Appendix B: Abbreviations
B.4. Titles and Statements of Responsibility
For a language whose final cataloging record is not in romanized form, use "i.e." and "et al." if there are no equivalents in the nonroman script.
B.9. Roman Alphabet Abbreviations
Use also in headings the abbreviation "Dept." for the English word "Department" in the following situations:
1) the word refers to the name of the body represented by the heading rather than the name of another body;
2) the word means a division or section of a larger organization.
United States Department of Defense
Task Force on Evaluation of the Department of Defense
Emergency Department Nurses Association
Emergency Department Nurses Association (
Emergency Dept. Nurses Association (
Consider headings containing "Dept." as AACR2 although appendix B.9 does not authorize the abbreviation for headings.
B.14. Names of Certain Countries, States, Provinces, Territories, Etc.
Use the abbreviation of state names recommended by the U.S.
Postal Service only if they appear in the item along with the place that is
being given in the publication, distribution, etc., area. Transcribe the U.S. Postal Service
abbreviations as they appear whether in caps, in upper- and lowercase, with or
without periods (i.e., Ca., Ca,
Use the abbreviation "V.I." for "British
Virgin Islands" and for "