What does yu stand for?

Yugoslavia - MARC country of publication code - Library of Congress (LCCP)

Aerolineas Dominicanas - ICAO designator (AD)

Yale Divinity School, New Haven, CT - Inactive - OCLC symbol (OCLC)

Yale University

Yamagata University (SAUS)

Yamaguchi University (SAUS)

Yamtanashi University (SAUS)

Yeshiva University - New York

York University (SAUS)

Youngstown University (SAUS)

Yucatan - NCIC Mexican state code (NCIC)

Yugoslavia - ANSI two-letter standard code (CNC)