Canon talk:Inner Planes

Source
Does anyone know, which Manual of the Planes is the source given? Daranios 17:53, 31 July 2011 (UTC)


 * It could be the 1st or the 3rd edition one without any problem, as the reference is pretty vague. Not sure about the 4th edition one though. - Tarkisflux Talk 18:32, 31 July 2011 (UTC)