Index: does not list what letters are about.

Correspondence: many of these letters are from Mother Columba to other Sisters of Charity. Most of the letters are to and from various Sisters of Charity. Other correspondents include Bishop McCloskey, Fr. David Russell, Father Chambige, Father John Barrett, Fr. J.H. Bekkers. Index does not say what letters are about, but they seem to be "friendly" letters and letters about affairs at Nazareth.