Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent. Also contains professional, financial, and insurance correspondence, particularly with Equitable Life Assurance Society.

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent.  Also contains professional, financial, and insurance correspondence.

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent.  Also contains professional, financial, and insurance correspondence.

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent. Also contains professional, financial, and insurance correspondence.

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent. Also contains professional, financial, and insurance correspondence. Contains August 27, 1945 letter to Lieutenant Commander H. T. Healy, USNR, in which Duke expresses disgust at the United States' decision to drop the atomic bomb on Hiroshima and Nagasaki, and argues that U.S. had lost moral high ground in WWII.

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent. Also contains professional, financial, and insurance correspondence. Duke filed some invitations under "I."

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent.  Also contains professional, financial, and insurance correspondence.

Scope and Contents Personal correspondence, in alphabetical order by surname or business name of correspondent. Also contains professional, financial, and insurance correspondence. Includes correspondence with Julian Lawrence of Savage and Lawrence, Norfolk, Virginia.