For much of their lives Dora Trench and Bertha Turnor spent their time traveling separately to places such as Cuba, Mexico, and Scandinavia. This sub-series contains letters recording their experiences, life events and well wishes for each other.

File of letters from Bertha Turnor to Dora Trench. The letters are written from Mexico and the United States.
In the letters Bertha discusses her travels around Mexico to places such as Puebla and Merida. She states her delight at visiting a place free from tourists yet also expresses her disappointment with the poverty and sub-par facilities she encountered.