Joel E. Cohen, Professor of Populations at Rockefeller and Columbia Universities in New York City, is the author of How Many People Can the Earth Support? (March 1999)
March 4, 1999: The Bright Side of the Plague
The Black Death and the Transformation of the West by David Herlihy, edited and with an introduction by Samuel K. Cohn, Jr.
October 8, 1998: How Many People Can the Earth Support?