Happy Birthday Circle Stories
The Little Loom House
A Brief History
By Alice S Davidson, 1997
Revised 2021
Our Proud Heritage. NAEYC's First President: Patty Smith Hill
Happy Birthday
My campaign to liberate the people's song
Guardian Docs
By: Jennifer Nelson
Jul 1, 2016
The Forgotten Sisters Behind ‘Happy Birthday to You’
By: Kellie B. Gormly
Smithsonian Magazine
March 7, 2024
Frazier+: The Hill Sisters
Frazier Museum
January 29, 2024
The Pioneering Hill Sisters of Louisville: The Happy Birthday Song and So Much More
Lecture at the Frazier Museum
July 6, 2025