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Both of the external links listed on the bottom of this article looks rather stale, but I don't know of any good directory of one-place studies on the Web. If it exists, I'd love to hear about it.. --leifbk 22:04, 13 July 2006 (UTC)
- Yes -- the link to Hawgood's website under "References" has been removed by him because it was becoming out-of-date. I haven't seen a replacement, nor does Hawgood seem to be updating it. --Michael K. Smith (talk) 15:43, 17 April 2009 (UTC)
Heads up that this article or parts of it may be merged or used to expand new entry on Historical demography.-- Piotr Konieczny aka Prokonsul Piotrus | talk 04:16, 27 April 2007 (UTC)