Looking for an online resource of the commentary(SNA.ii.476; SA.i.155) which says that the Brahma Sahampati was an Anagami from the Suddhavasa realms

This page mentions the following: > The Commentaries say (SNA.ii.476; SA.i.155) that he was an Anagami > Brahma born in the Suddhavasa, there to pass a whole kappa... I'm looking for an online resource for SNA.ii.476; SA.i.155. Thanks!