Tales of the Great Frontier by A.A. Craig is the source for "Margin of Profit," introducing Nicholas van Rijn, and for "Rescue on Avalon" about the settlement of Avalon;
records moved from Terra to Hermes are the source for "Day of Burning," about Falkayn on Merseia, and for "Lodestar," about van Rijn at Mirkheim;
The Man Who Counts, about van Rijn on Diomedes, was published as a historical novel on either Terra or Hermes;
the narrator of "Wings of Victory," about first contact with Ythri, was a planetologist named Maeve Downey;
a private correspondence recorded on Terra and transcribed into the archives of the University of Fleurville on Esperance is the source for "The Problem of Pain" about the Ythrian New Faith;
Arinnian of Stormgate Choth, whose human name is Christopher Holm (and who married Tabitha Falkayn), is a co-author of the Earth Book;
the same Grand Survey expedition discovered both Ythri and Avalon.
Think how much poorer the Technic History would be without Hloch's contributions.