1. Ākiñcañña Sutta.-A conversation between Sāriputta and Ananda on the sphere of Nothingness (ākiñcaññāyatana). S.iii.237.
2. Ākiñcañña Sutta.-Moggallāna tells the monks how he entered on and dwelt in the realm of Nothingness. S.iv.267.