- Secrets according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey adventures, 11
- Birney, Betty G, Humphrey's tiny tales, 7
- Friendship according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey's tiny tales, 1
- Birney, Betty G, Humphrey adventures, 12
- Summer according to Humphrey, Betty G. Birney
- School days according to Humphrey, Betty G. Birney
- Humphrey's mixed-up magic trick, Betty G. Birney ; illustrated by Priscilla Burris
- Birney, Betty G, Humphrey adventures, 6
- Trouble according to Humphrey, Betty G. Birney
- Trouble according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey's tiny tales, 6
- Humphrey's playful puppy problem, Betty G. Birney ; illustrated by Priscilla Burris
- Humphrey's school fair surprise, Betty G. Birney ; illustrated by Priscilla Burris
- Birney, Betty G, World according to Humphrey (Brilliance Audio (Firm)), 2
- Humphrey's treasure hunt trouble, Betty G. Birney ; illustrated by Priscilla Burris
- Humphrey's pet show panic, Betty G. Birney ; illustrated by Priscilla Burris
- Spring according to Humphrey, Betty G. Birney
- The world according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey adventures
- Humphrey's really wheely racing day, Betty G. Birney ; illustrated by Priscilla Burris
- Imagination according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey adventures, 7
- Surprises according to Humphrey, Betty G. Birney
- Birney, Betty G, Humphrey adventures, 9
- Friendship according to Humphrey, Betty G. Birney
- Humphrey's creepy-crawly camping adventure, Betty G. Birney ; illustrated by Priscilla Burris
- Birney, Betty G, Humphrey's tiny tales
- Winter according to Humphrey, Betty G. Birney