TY - BOOK AU - Beall Julianne AU - Lopes Maria Ines TI - Principles underlying subject heading languages (SHLs) SN - 3-598-11397-8 U1 - 025.49 PY - 1999/// CY - Munchen PB - K G Saur KW - Subject cataloging-rules KW - Subject headings N1 - Developed by International Federation of Library Associations and Institutions. Working Group on Principles Underlying Subject Heading Languages ER -