ISE Technology paper: Agents, Iterators and Introspection in Eiffel
   Written in the form of an addition to the book 'Eiffel: The Language'. Introspection is Eiffel's term for reflection. Acrobat PDF format.
   http://archive.eiffel.com/doc/manuals/language/agent/page.html

Ink Programming Language
   Relation-based language, with clear separation between data and processes; reflective; typing can be static or dynamic; design by contract (DbC), time-constraint programming. Description, code samples. [TypeZDotOrgWiki]
   http://wiki.type-z.org/index.php?n=Projects.Ink

Napier88
   Programming system (language and persistent environment) from University of St Andrews. Features: orthogonal persistence, type completeness, higher-order procedures, abstract (existential) data types, collections of bindings, strongly typed stable store,
   http://www-ppg.dcs.st-and.ac.uk/Languages/Napier88/

Object-Oriented Concurrent Reflective Languages can be Implemented Efficiently
   Research paper; OOPSLA October 1992. ResearchIndex.
   http://citeseer.ist.psu.edu/masuhara92objectoriented.html

Reflection '96 Conference
   Proceedings, electronic copies of abstracts and full documents. Much useful information.
   http://www2.parc.com/csl/groups/sda/projects/reflection96/

Reflection in Logic, Functional and Object-Priented Programming: A Short Comparative Study
   Research paper; Department of Data Processing and Operations Research, University of Montreal, Quebec, Canada. ResearchIndex.
   http://citeseer.ist.psu.edu/106401.html

Review About Computational Reflection
   Includes an overview of the language, glossary of terms, links to reviews, and links to programmers' personal pages.
   http://tunes.org/wiki/Methods_of_Reflection

TUNES Project: Reflection
   Unique description, links. [Open Content]
   http://tunes.org/wiki/Reflection