Eva Feigl sent a note showing her gratitutde to Martha Sharp on on December 10, 1943.. View the original letter and translation.
Translation
December 10, 1940
Dear American friends!
I thank you with all my heart for all that you have done for me. I am extremely grateful for the many acts of kindness you have shown me.
Please accept my most sincere appreciation, as well as that of my parents,
Eva Feigl