The New York Times article (December 13, 2016)

The New York Times article (December 25, 2017)

The New York Times article (September 12, 2016)

The New York Times article (February 17, 2017)

The New York Times article (October 24, 2016)

The New York Times article (April 11, 2017)

The New York Times article (October 8, 2016)

The New York Times article (January 10, 2017)

The New York Times article (May 1, 2019)

The New York Times article (September 10, 2016)

obituary in the New York Times