He was influenced by Thomas Malthus' work, "An Essay on the Principle of Population" written in seventeen ninety-eight.

VOA: special.2009.02.25

Some of her best work was written in the four years between eighteen fifty-eight and eighteen sixty-two.

VOA: special.2010.07.18

The work Helen Keller and Anne Sullivan did has been written and talked about for many years.

VOA: special.2009.11.15

Cellist Yo-Yo Ma, violinist Itzhak Perlman, pianist Gabriela Montero and clarinetist Anthony McGill will play a work written by composer John Williams for the event.

VOA: special.2009.01.16

The book is considered the greatest scientific work ever written.

VOA: special.2011.06.01

In addition to his work as a scientist, Ayala has also written and lectured extensively on religion and science.

VOA: standard.2010.04.05