Enclosures include copies of Solzhenitsyn's letter to Heeb numbered 21 (November 17, 1972) and a letter to Veronica Turkina dated September 28, 1972. Folder also includes another letter sent by Solzhenitsyn to Heeb; it was unnumbered and sent via unofficial channels.

Enclosures include copy of Solzhenitsyn's letter to Heeb numbered 22 (December 17, 1972) as well as Markstein's translation.

Olga Carlisle (b. 1931), the daughter of Vadim and Olga Andreev, met Solzhenitsyn in 1967. She acted as his literary agent in the West with regard to The First Circle. She was involved in the same capacity with The Gulag Archipelago before relations between her and Solzhenitsyn broke down.

Enclosures include copies of Olga Carlisle's letters to Heeb and to Solzhenitsyn as well as letters of Anthony Curto and Zhores Medvedev.

Enclosures include copies of letters from Solzhenitsyn to Heeb numbered 23 and 24 (February 23 and March 14 respectively) as well as a draft of a public statement with regard to Natalia Reshetovskaia, Solzhenitsyn's first wife.

Herbert is Fritz Heeb's son. Because Fritz was abroad, Markstein addressed the letter to the son.

Enclosures include a copy of a letter from Solzhenitsyn to Heeb numbered 25 (March 23, 1973) as well as translations of 2 unnumbered letters (March 17 and March 23).

Enclosure consists of a letter to the Mirovs concerning Solzhenitsyn; Reich was a former student of Markstein's, who was going to Moscow.

Elena Tsezarevna Chukovskaia (1931-2015) was both a chemist and a literary scholar; she was a close friend and supporter of Solzhenitsyn.

Enclosures include copies of letters of Patricia Blake, Anthony Curto, and Zhores Medvedev as well Solzhenitsyn letter to Heeb number 26 (May 12, 1973).

Enclosures include a letter from Keith Armes (U. of Minnesotat) and a translation of an unnumbered letter of Solzhenitsyn to Heeb (May 29, 1973.

Enclosures include letter number 27 of Solzhenitsyn to Heeb (July 17, 1973), a letter on possible translations written by Sidney Monas of the U. of Texas at Austin, and a translation of another letter of Solzhenitsyn to Heeb, this one numbered 04-8 and dated June 27.

Enclosures include a copy of a typed letter from Solzhenitsyn to the Ministry of Internal Affairs (USSR) dated August 21, 1973.

These are translations of Solzhenitsyn's Russian letters into German, one is addressed to Fritz (Heeb) and dated September 16 and the other is addressed to "B" or "Betta" (a name used for Markstein) and dated September 5.

Georges Nivat (b. 1935) is a French historian and Russian translator; enclosure consists of the curriculum vitae of Xenia Ryschenkow,a scholar Nivat is recommending to Markstein.

Enclosures include copies of two letters from Solzhenitsyn to Heeb, one numbered 28 (September 28, 1973) and the other numbered 011 and dated October 15. The folder also includes a letter from Scammell evaluating a translation of Gulag Archipelago and letters of Alan Schwartz and W. Knowlton (Harper and Row)

Enclosures include copies of two letters from Solzhenitsyn, one to Heeb (numbered 012 and dated October 28) and one to "Betta" and Heeb, which is unnumbered and undated. Folder also includes letters from Anthony Curto and from Sidney Monas, who offers to evaluate a translation of the Gulag Archipelago.

Woerner worked for Schers publishing which put out an edition of The Gulag Archipelago.

The "colleague" in question is probably Michael Scammell.

Enclosures include copies of two letters from Solzhenitsyn to Heeb, one is numbered 29 and dated November 30 and the other is numbered 014 and dated November 20. Folder also includes a copy of a letter from Solzhenitsyn to Zhores Medvedev dated November 17, 1973.

Enclosures include letters from Solzhenitsyn to Heeb, numbered 015 and dated December 12, 1973; Solzhenitsyn to Heeb and "Liebe Freunde" (possibly N. Struve), numbered 016 and dated January 5, 1974; and Solzhenitsyn to Heeb and Betta numbered 017 and dated January 11, 1974.