The collections consists primarily of manuscripts of Thayer's works, including personal notes, publisher/editor corrections and correspondence, and some public response. Also included are various newspaper and magazine articles featuring the author.

Contains draft notes and files on Thayer's work "Carterville." Includes a photocopy of the story as published in the Fall 2005 edition of Dialogue magazine. There are letters from Dialogue, as well as emails to and from Thayer regarding revisions, additions to the works of other authors, and publication. Finally, there are drafts, written on by the author, of the publication. Dated circa 2000-2005.

Contains draft files for Thayer's work "The Conversion of Jeff Williams." Includes manuscript drafts, letters and emails pertaining to publication and reception, notes on organization, and some research. Dated circa 1991-2004.

Contains Thayer's draft files for the work "The Tree House." Includes manuscript drafts with and without author comments, letters and emails pertaining to the publication of the work, notes on its organization, and some research. Dated circa 1950-2008.

Includes a copy of the journal Irranteum from Autumn 2002. This edition features the work of Thayer and another Mormon author, Paul Edwards. It also contains book reviews, poems, stories, and novel excerpts (one of which is from Thayer's "A White House"). Folder also includes articles written by Thayer submitted to Irreantum, such as “The Locker Room,” “Memorial Day,” and others. Dated circa 1997-2010.