Includes correspondence, book reviews, and manuscript files relating to his study of William Wordsworth, Sigmund Freud, and William Yeats and material documenting his career at Cornell.

Also, correspondence between Jared Curtis, Coordinating Editor, and Stephen M. Parrish concerning The Cornell Wordsworth series and The Cornell Yeats series, as well as correspondence from others involved in those editing projects.

Correspondence of James Butler with Stephen M. Parrish, 1972-1996 relating to the publication of the Lyrical Ballads volume in the Wordsworth series and to the series in general. Also, correspondence, 1974-2005, of Michael Jaye and James Butler with Stephen M. Parrish about the Wordsworth series edition of The Excursion, published in 2007.

Photographs by James Butler of an event celebrating the completion of the Wordsworth series held at Kendal at Ithaca on March 29, 2008.

Correspondence with Sally Bushell relating to The Excursion,1999-2002.

Correspondence of Mark L. Reed with Parrish, and letters between other editors and scholars relating to the series. Includes additional correspondence between Reed and Curtis, James Averill, Stephen Gill, Carl Ketcham, and Robert Osborn.

Cassette tapes of the Wordsworth Summer Conferences, 1991: Jonathan Wordsworth on Wordsworthian Comedy and 1998: Stephen Parrish on The Earliest Wordsworth; "Richard Wordsworth Reads the Poetry," and Jonathan Wordsworth/Studs Terkel talk.

Correspondence, grant proposals, reviews, and other files from Ann Saddlemyer, one of the general editors, relating to The Cornell Yeats series. Includes 17 CDs of interim stages of editions from Jared Curtis.