References From Appendix E

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NOTE:   Entries added or changed since the publication of the book are marked by the graphic: .  

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Tags for the Identification of Languages (RFC 1766)

http://ds.internic.net/rfc/rfc1766.txt

The ISO 639 Language Codes -- A non-official summary is at:

http://www.stonehand.com/unicode/standard/iso639.html, or
iso639.html

The ISO 3166 Language Codes -- A non-official summary is at:

iso3166.html