This archive contains Chad Walsh's personal letters to and from C.S. Lewis and Joy Davidman, as well as correspondence between Chad Walsh and others on the subject of the Lewis family, and correspondence with his wife, Eva, during his travels in England in summer 1948 while researching for his book about Lewis. Correspondence relating to Walsh's book, C.S. Lewis: Apostle to the Skeptics (New York: Macmillan, 1949), is also included.

This collection contains correspondence, personal papers, and poetry and prose written by Joy Davidman. A few documents also relate to her first husband Bill Gresham, her sons David and Douglas Gresham, and her second husband C.S. Lewis. These materials are on deposit as an extended loan courtesy of Douglas Gresham.

This archive contains correspondence to and from William (Bill) Lindsay Gresham. Others involved include C.S. Lewis, Joy Davidman, and Douglas and David Gresham. Also included is correspondence to Marj Mead from Lyle Dorsett concerning the acquisition of the Gresham letters.