Here's a bunch of important links. I'll organize them later.

Logrolling:

1. https://web.archive.org/web/20160323211144/http://logrolling.org/ (2016 archive)

Topspinning:

<a href="url">https://web.archive.org/web/20071006043535/http://www.topspinning.com/</a> (2007 archive)