Series I: Letters to Mark van Doren, 1949-1969
Series I is comprised of typed carbon copies of Caldwell's letters to van Doren, dating from February 26, 1949 to March 20, 1969
Box 1 Folder 1
1949 February-1950 December
Box 1 Folder 2
1951 February-March
Box 1 Folder 3
1951 April-May
Box 1 Folder 4
1951 June-July
Box 1 Folder 5
1951 August-October
Box 1 Folder 6
1951 November-December
Box 1 Folder 7
1952 January-March
Box 2 Folder 1
1952 April-July
Box 2 Folder 2
1952 August-December
Box 2 Folder 3
1953 January-December
Box 2 Folder 4
1954 January-1955 December
Box 2 Folder 5
1956 January-November
Box 2 Folder 6
1957 January-December
Box 2 Folder 7
1958 February-1969 March
Series II: Letters from Mark van Doren, 1949-1969
The second series consists of van Doren's primarily handwritten letters, some with accompanying envelopes, and postcards to Caldwell dating from February 19, 1949 to September 9, 1969.
Box 3 Folder 1
1949 February-1951 June
Box 3 Folder 2
1951 July-1952 May
Box 3 Folder 3
1952 June-1954 May
Box 3 Folder 4
1954 June-1958 December
Box 3 Folder 5
1959 January-1963 December
Box 3 Folder 6
1964 January-1969 September
Series III: Other Correspondence and Clippings, 1951-1969
Series III contains miscellaneous correspondence as well as newspaper clippings. There is a postcard from van Doren to Caldwell's daughter, Cathy, and letters from Dorothy and Charlie van Doren, Mark's wife and son, to Caldwell. There is a small collection of correspondence between Caldwell and Verb Gabbert. Finally, there are a variety of newspaper clippings of articles written either about van Doren or by Caldwell.
Box 3 Folder 7
Letters from the van Dorens to the Caldwells, undated
Box 3 Folder 8
Verb Gabbert Correspondence, 1951 August-1955 May
Box 3 Folder 9
Newspaper Clippings, 1951-1969