This primarily contains material related to William Baker's estate and his personal invesments. There are several accouting sheets here as well, thus researchers of Baker Loan and Investment should consult these also.

This includes personal letters, records kept by W.W. regarding his illness, his correspondence with his sister Rosalia Baker Lewis, and his investigative records into the processes for manufacturing gas. Of special note are his correspondence with then Lieutenant William Baker Ferguson, when Ferguson was a prisoner of war in Germany in World War II.