The House of Knowledge was a celestial plane in the World Tree cosmology model[1] and an Astral dominion in the World Axis cosmology model.[2] In the Great Wheel cosmology it was the divine realm of Oghma on the Outlands.[3][4]



  1. 1.0 1.1 Ed Greenwood, Sean K. Reynolds, Skip Williams, Rob Heinsoo (June 2001). Forgotten Realms Campaign Setting 3rd edition. (Wizards of the Coast), pp. 256–258. ISBN 0-7869-1836-5.
  2. 2.0 2.1 Bruce R. Cordell, Ed Greenwood, Chris Sims (August 2008). Forgotten Realms Campaign Guide. (Wizards of the Coast), p. 64. ISBN 978-0-7869-4924-3.
  3. 3.0 3.1 Julia Martin, Eric L. Boyd (March 1996). Faiths & Avatars. (TSR, Inc), p. 131. ISBN 978-0786903849.
  4. 4.0 4.1 Colin McComb (1996). On Hallowed Ground. (TSR, Inc), p. 181. ISBN 0-7869-0430-5.