RFC 4646:Tags for Identifying Languages
RFC-Ref

7 - A - B - C - D - E - F - G - H - I - L - M - N - O - P - R - S - T - U - V - W - X

Internet Best Current Practice

Click on the red underlined text to get to the source
7 - A - B - C - D - E - F - G - H - I - L - M - N - O - P - R - S - T - U - V - W - X

Google
Web
RFC-Ref
RFC-Ref.org
Frontpage
Global Index
RFC
Sister Sites
Chess-Ref.org
Law-Ref.org
InChI.info
Zvon.org