ANSI/NISO Z39.19 Monolingual Thesaurus Creation Standard

Download site for Z39.19 thesaurus creation standard, which is enumerative and monolingual in nature.
http://www.niso.org/standards/resources/Z39-19.html

Zthes: a Z39.50 Profile for Thesaurus Navigation

Describes an abstract model for representing and searching thesauri, specifying how the model may be implemented. Uses of Z39.50 protocol and XML DTD for thesauri are described.
http://zthes.z3950.org/

Large-Scale Controlled Vocabulary Indexing for Named Entities

Paper discussing the implementation of a named entity thesaurus by Lexis-Nexis. [PDF Format]
http://acl.ldc.upenn.edu/A/A00/A00-1038.pdf

Thesaurus Principles and Practice

Discusses the basics of thesaurus construction and management. From Willpower Information Management Consultants.
http://www.willpower.demon.co.uk/thesprin.htm