Anyone can participate by writing a diary, commenting on diaries, or joining groups to find other people in their areas.
Shortly after the fall of communist rule he wrote a 300 page novel based on his notes, diaries and preserved personal letters.
Many of these studies are based on diaries that researchers have asked the ordinary people taking part in the study to keep for months or even years.
She drew on diaries and other original sources to show just how miserable and terrifying it could be, especially for women.
The survey, based on diaries kept for two weeks in 2,000 homes nationwide, lasted a year, ending in February 1998.
Nor do we need to rely on diaries that might be misplaced.
So there is a natural tendency to rely on diaries and letters.
Much of Lady Eleanor's story is based on the letters and diaries of three real-life women.
He follows this with a chapter on her letters and diaries.
Her talk is based on diaries, letters, court records and poetry of women who lived more than 200 years ago.