1. Harpring, P.: Introduction to Controlled Vocabularies: Terminology for Art, Architecture, and Other Cultural Works. Getty Research Institute, Los Angeles (2010)
2. ANSI/NISO Z39.19-2005: Guidelines for the Construction, Format, and Management of Monolingual Controlled Vocabularies (R2010) (2005)
3. Structured Vocabularies for Information Retrieval - Guide - Exchange formats and protocols for interoperability (DD 8723-5:2008). British Standard (2008)
4. Structured Vocabularies for Information Retrieval - Guide - Vocabularies other than thesauri (BS 8723-3:2007). British Standard (2007)
5. Structured Vocabularies for Information Retrieval - Guide - Interoperability between vocabularies (BS 8723-4:2007). British Standard (2007)