“Book by Paul Ehrlich discussed as a source of anti-natalist sentiment.”

“1968 book by Paul Ehrlich predicting mass starvation due to overpopulation.”

“A book written by Paul Ehrlich in the 1960s.”

“A book from the 1960s that predicted resource scarcity due to overpopulation, cited as having been debunked.”

“Book by Paul Ehrlich mentioned regarding overpopulation fears.”