- CollectieMS 01.210 - Noyes Family Letters
- 9 - To William Albert Noyes, From Katherine Macy Noyes, 1919-1921
- Bestanddeel1 - To William Albert Noyes, From Katherine Macy Noyes, August 13-December 29, 1919
- Bestanddeel2 - To William Albert Noyes, From Katherine Macy Noyes, January 19-April 26, 1920
- Bestanddeel3 - To William Albert Noyes, From Katherine Macy Noyes, September 6-October 23, 1920
- Bestanddeel4 - To William Albert Noyes, From Katherine Macy Noyes, February 14-November 17, 1921
- Bestanddeel5 - To William Albert Noyes, From Various Sender, Undated
- Stuk1 - The Slant Book