https://www.fimfiction.net/story/106960/der-gromann
http://www.fimfiction.net/story/106459/underworld
www.fimfiction.net/story/84716/behind-the-masks (can be found on fimfetch)
https://fimfetch.net/story/241356/night-on-the-sun-ed/1 (can be found on fimfetch)
https://fimfetch.net/story/104886/fear-of-success (can be found on fimfetch)
https://fimfetch.net/story/333494/equestrian-bloodlines-collection-absolution (can be found on fimfetch)
https://fimfetch.net/story/251289/doctor-and-ditzy-s-science-theater(can be found on fimfetch

Sometimes I just stumble across fanfics I can't read on the wayback machine.
https://web.archive.org/web/20141018100806/http://www.fimfiction.net/story/209495/the-derpys-tale
Took his fanfic away with him when he deleted his account, I think I vaguely remember having read this.
And another thing he did https://web.archive.org/web/20150113010406/http://www.fimfiction.net/story/235176/evil-empire
https://www.fimfiction.net/story/89952/rise-of-the-dragon-lord
See if you can find whats inside of these anywhere on the web. The rise of the dragon lord one was actually privatized.

Looked at it in the wayback machine and fimfetch.