The earliest of his surviving diaries is from 1929, when he was 25.
The text, translated from the Russian's surviving diaries by PEN Literature in Translation award winner Arch Tait, offers firsthand details of the harsh conditions both inmates and guards faced in what amounted to a vast frozen wasteland.
Yehuda Koren and Eilat Negev have traced her surviving papers and diaries, held chiefly by her sister in Canada, and have interviewed some of those who knew her in Israel, Canada and England.
The last surviving entry in his diary came on 10 April 1945.
While Fogelman's diary survived, his ultimate fate is unknown.
That is partly because much more is known about Carter; his diaries survive, whereas none of Gray's papers does.
He left no diary, and few of his surviving letters reveal much.
The other major source for The Broken Road was the last surviving volume of Paddy's original travel jottings, known as The Green Diary.
This appalled Madox, as it appalled his fellow chaplain in the flotilla, John Walker, whose diary also survives.
This was a peculiar confession: Pepys (pronounced peeps) would burn a pornographic volume to avoid disgrace, but document its purchase in a diary that survived his every purge of his private papers.
