Duke:

The Duke Family and Duke University
Memorial for Dukes unveiled

The News and Observer:

Doris Duke's Butler
Duke University gets aid from endowment
Durham: The town tobacco built
Endowment gives Duke $30 Million

CBS:

Death of a Duke
Billion Dollar Mystery

Philanthropy Journal:

Doris Duke Foundation gives $8.1 Million to performing artists

Philanthropy News Digest:

Doris Duke Charitable Foundation Names First President
Dispute over Duke Estate May Be Settled
Doris Duke's Former Physician and Butler Fight Over Will
Doris Duke's Nurse Accuses Doctor in Death of Heiress
Doris Duke Foundation Makes First Donation
Lawyers for Doris Duke Say Heiress Was Lucid at Will Signing
Doris Duke Will Cleared for Probate
Bernard Lafferty, Former Butler to Doris Duke, Dies; Leaves Estate to Charity

Grant Makers Health
Chandi Hefner Duke
Lover sues Duke heiress
Duke Gardens Foundation
Doris' dog Minnie
Joan E. Spero elected to board of trustees
Lifetime: Intimate portrait of Doris Duke - Scroll down to Doris Duke
New York Law Journal - Doris Duke's Will
The will of Doris Duke