Solzhenitsyn, Aleksandr (Isayevich):
http://http://www.almaz.com/nobel/literature/Solzhenitsyn.html
Biography of Solzhenitsyn in collection of biographies of Nobel Prize-winning writers.
One Day in the Life of Ivan Denisovich:
http://search.eb.com.au/nobel/micro/734_2.html
Britannica Nobel Prizes, a guide to Nobel Prize winners, provides a spotlight feature about Solzhenitsyn and background information on the writing and publication of One Day.