PT - JOURNAL ARTICLE AU - George Cooper TI - Saving Estate Taxes for the du Ponts AID - 10.3905/jpm.1979.408701 DP - 1979 Jul 31 TA - The Journal of Portfolio Management PG - 64--69 VI - 5 IP - 4 4099 - https://pm-research.com/content/5/4/64.short 4100 - https://pm-research.com/content/5/4/64.full