Scope and Contents A collection of documents, letters, and other writings by or written to Watkins.

Scope and Contents An extensive collection of Watkin's 1966 dissertation. Contains multiple renditions and versions of his Concerto for Piano and Orchestra, written to fufill the requirements of the degree of Doctor of Philiosophy in the school of Music in the graduate college of the University of Iowa. Chairmen were Prof. John C. Simms and Prof. Richard B. Hervig.

Scope and Contents This series is comprised of ensembles for Brass, Percussion, Strings, Vocal, and Woodwinds.

Scope and Contents This series is comprised of keyboard compositions for Harpischord, Organ, and Piano.

Scope and Contents A collection of two large musical projects, a mass and a dedication.

Scope and Contents Collection of 19 casette tapes, ranging from 1958 to 2005, containing recordings of many of Watkin's works. A digitized version of the recordings is included as a digital object.

Scope and Contents A small collection of compositions to be performed by a band and orchestra.

Scope and Contents This series contains broadsides printed and illustrated by IWU Professor of Art Fred Brian under his imprint "Pilot Rock Press." Many are numbered and signed by Brian and at least one is signed by Watkins. Some duplicate copies are also in this grouping.