Contains research on chiasmus in the Doctrine and Covenants and Pearl of Great Price, particularly including published articles and Welch's own notes. Dated 1830-2011.

Contains John W. Welch's research materials as a whole. Included with this subseries are copies of David O. Petersen's "Chiasmus, the Hebrews, and the Pearl of Great Price" and papers regarding the chiasms found within the Book of Moses and Book of Abraham. Materials dated 1958-2010.

Contains documentation on John W. Welch's Babylonian chiasmus studies. Included in these documents are examples of chiasms and patterns in ancient Babylonian texts including Hammurabi's Code and flood stories as well as a paper documenting how many Biblical laws were based off of the laws found in Hammurabi's Code. Materials dated 1967-2009.

Contains various research materials that John Welch used for his study of Chiasmus, including handouts from scholars, articles related to chiasmus in other literature, copies of checks to fund research, and other documents. Dated 1787-2011.

Contains documentation on John W. Welch's Classical Philology chiasmus studies. Included in this documentation are notes on chiasmus quotes and language criticism of the Book of Mormon, and notes on the reasons for chiasmus. The date of production of these materials is not identified.

Contains documentation on John W. Welch's Egyptian chiasmus studies. Included in these documents are Egyptian literature from both the Ancient and Classical era with chiasms, and notes from Egyptian artifacts/artwork. Materials dated 1932-1985.

Contains documentation on John W. Welch's studies in Greek chiasmus studies. Included in this documentation are comparisons of chiasmus-use in the Hebrew and Greek language, notes on ancient Greek works, and examples of chiasmus-use in classic Greek and Latin literature. Materials dated 1970-2003.

Contains documentation on John W. Welch's Hebrew chiasmus studies. Included in this are studies in the patterns and functions of Hebrew chiastic works, the structure and design of Hebrew poetry, parallelism in Hebrew works, the role of the Chiasmus in Biblical law, etc. Materials dated 1787-2009.

Contains documentation on John W. Welsh's Homeric chiasmus studies. Included in these documents are structural analyses on the Illiad and the Odyssey, the influence of the Epyllion in the Aeneid, differences between Homeric and Hebraic chiasms, notes on the Homeric chiasmus. Materials dated 1920-1977.

Contains documentation on John W. Welch's Latin Chiasmus Studies. Included with this documentation are notes on various Latin literature from Catullus to Europa. Materials dated 1902-1981.