Encyclopaedia
2 volumes
Encyclopedia Galactica Extensive excerpts
The Encyclopedists of Terminus; later, many hands — Foundation · Isaac Asimov
A compendium of all Galactic knowledge, compiled on a resource-poor planet at the edge of the spiral as a hedge against a coming dark age — and, it turns out, as a pretext for something else.
A First Encyclopaedia of Tlön Described
An anonymous secret society, over three centuries — The Fictions of Borges · Jorge Luis Borges
Volume XI of a forty-volume encyclopaedia describing a planet that does not exist, in such completeness that the planet begins to.