- CollectionDX19 - Cotton Family Papers
- SérieG - George, John, James B, Joseph & Rachel Cotton : 219 to 261
- 7 en plus...
- Pièce226 - Letter to JB Cotton from his sister "Molma" [Mary May]
- Pièce227 - Letter to JB Cotton from Helen McLeod
- Pièce228 - Letter to JB Cotton from Alma Rachel Cotton
- Pièce229 - Letters to JB Cotton from J.B. Mather
- Pièce230 - Letter to JB Cotton from William Benson
- Pièce231 - Letter to JB Cotton from Joseph Crosfield
- Pièce232 - Letter to JB Cotton from Abraham Davy
- Pièce233 - Letter to JB Cotton from J.I. Dymond
- Pièce234 - Letter to JB Cotton from J.H. Gray
- 27 en plus...