Jade's Memory Feathers
In Teshin's Retreat in the Relays, near Teshin's position at summit, is a small collection of Jade's feathers
Albrecht's Notes
In Albrecht's Laboratories, his grimoire can sometimes manifest in out-of-the-way places
The Lost Islands of Duviri
Hidden around Duviri are fragments containing audio recordings from Acrithis, describing islands of Duviri
Executor Tuvul fragments
Tuvul was one of the seven Executors of the Orokin Empire, and the patron of the Zariman 10-0 colony ship.
Albrecht Entrati fragments
The Requiem glyph lore fragments are unlocked as the Tenno ranks up with both the Entrati and the Necraloid, and are narrated by Albrecht Entrati, the one-time patriarch of the Entrati family.
The Tenets
The Tenets are fragments that can be found by redeeming a Granum Crown at the statue of Parvos Granum at a Corpus Temple Relief on the Corpus Ship tileset.
Partnership fragments
The Partnership fragments can be found around the Jupiter Gas City, and are narrated by Alad V.
Ticker fragments
Used to be every time an old love ended and a new one began, friends would say
The Business fragments
In this life a person has to find that which is more important than themselves.
Smokefinger fragments
I… have no truck with the Corpus.