For reasons I can't fathom, Internet Archive Scholar got attention today, a mass of it, painting it as a "new" service. Actually, it has been out there for about a year. BUT....

If beautifully structured access to academic citations by the millions is your bag or desperately needed tool, especially ones that are ONLY left in the Wayback Machine, you are in LUCK. And this will be your favorite day. Try it.

https://scholar.archive.org/