The James Hillier papers are composed of reports, publications, and correspondence related to the electron microscope, VideoDisc, and other RCA products. The papers also include reports, meeting minutes, and business plans from Hillier’s time as an RCA administrator. Along with reference publications and product guides, the papers also consist of a number of Hillier’s speeches.

Thirty-eight of Hillier's lab notebooks (1940s) and two of his patent disclosure books (1940, 1942) can be found in Record group 26.