Wikipedia:Articles for deletion/Christopher Thomas O'Higgins
Offline references continue to be , since readers can go to a library and request a paper copy.  I am sorry to report I did not fully understand this for a long time, and I used to remove "dead links".  This is counter-policy, when the reference includes sufficient information for a dubious reader to hunt down a paper copy
— User:Geo, 15:51, 14 September 2008 (UTC)
Stance: comment
Cited policy: WP:RS (Wikipedia:Reliable sources)