Helen Saw Telle Cassidy Conley worked as a teacher at "The Spruces," a long-term care facility for children with emotional problems located in Staatsburg-on-Hudson, New York State.  "The Spruces" was founded by Dr. Victor Vance Anderson in 1928.  The letters describe Mrs. Henry Cassidy's time at "The Spruces" as a teacher, giving vivid descriptions of the children's behavior and medical issues. The Spruces still exists today as the Anderson Center for Autism.