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Linguist List changed servers recently so most of its functions are down. The heart of the thing is Multi-Tree, a self-adjusting comprehensive phylogenetic chart. Sine qua non. You can't get get it at this current time. The links in this WP article work but the destination has been changed to a mailing list, temporarily I hope. Meanwhile Ethnologue has expanded its ancient language codes. You can fill in from there but it is no substitute for Linguist LIst's Multi-Tree, maps and bibliographies.Branigan 03:07, 22 October 2014 (UTC)
PS. I can't see how you would even think of deleting this essential linguistics article. Linguist List and Ethnologue are the main agencies for the collection and publication of data on modern and many ancient languages. Ethnologue is the sole authorized agent for the assignment of ISO codes. Linguist List works closely with them. These two pretty much decide what is a language and what a dialect for ALL the world's languages. Whoever put it up for deletion is no friend of WP.Branigan 03:16, 22 October 2014 (UTC)