> For the first one, by search for “Thomas Niemann’s Sorting and Searching Algorithms: a Cookbook”, I got https://www.epaperpress.com/sortsearch/rbt.html, but I am not sure it provides the exactly same content as the old URL.
The entire algolist.manual.ru site is not available in DNS, but according to archive.org it was responsinding quite recently. Perhaps we should give that a little time before we do anything?
Looks like the last accessible day was late of Jan this year. Sure, we can wait for its back.
> For the second one, I cannot find a replacement.
This link has been dead for over a decade by the looks of it, and noone has complained. However, since this refers to license terms it would be best replace with an archive.org link here:
