References – Aṅguttara Nikāya  
Sutta / Aṅguttara Nikāya (277)

AN 1: The Book of the Ones (15)

AN 2: The Book of the Twos (5)

AN 3: The Book of the Threes (30)

AN 4: The Book of the Fours (48)

AN 5: The Book of the Fives (34)

AN 6: The Book of the Sixes (28)

AN 7: The Book of the Sevens (19)

AN 8: The Book of the Eights (21)

AN 9: The Book of the Nines (19)

AN 10: The Book of the Tens (45)

AN 11: The Book of the Elevens (13)