Cybernetics Material
- Berry Campbell - Correspondence, 1948-1951
- Correspondence between Berry Campbell and Warren S. McCulloch.
- Carlos C. Alden, Jr. - Correspondence, 1951
- Correspondence between Carlios C. Alden and Warren S. McCulloch.
- Charles M. Fair - Correspondence, 1961
- Correspondence between Charles M. Fair and Warren S. McCulloch.
- Claude Shannon - Correspondence, 1949-1950
- Correspondence between Claude Shannon and Warren S. McCulloch.
- Cybernetics Research Institute, Inc. - Correspondence, 1969
- Correspondence between Cybernetics Research Institute, Inc. and Warren S. McCulloch.
- D. Cappon - Correspondence, 1952
- Correspondence between D. Cappon and Warren S. McCulloch.
- Dan Gaffoney - Correspondence, 1968
- Correspondence between Dan Gaffoney and Warren S. McCulloch
- Derek H. Fender - Correspondence, 1953
- Correspondence between Derek H. Fender and Warren S. McCulloch.
- Detroit Dianetic Associates - Correspondence, 1951
- Correspondence between Detroit Dianetic Associates and Warren S. McCulloch.