The sixth chapter of the Pañcaka Nipāta of the Anguttara Nikāya. A.iii.63 79.
The fourth chapter of the Bojjhanga Samyutta. S.v.91 8.
The five nivaranas make one blind, the seven bojjhangas give one light and wisdom. S.v.97f.
The four satipatthānas are to be practised in order to get rid of the five nīvaranas. A.iv.457f.