The flow diagram approach to computer logical design using the NCR 304 as an illustration. - James Hudson; Walter Edwards; Donald E. Eckdahl (IRE-ACM-AIEE Computer Conference (Western), 1958)

West Coast Contributions to the Development of the General-Purpose Computer: Building Maddida and the Founding of Computer Research Corporation. - Donald E. Eckdahl; Irving S. Reed; Hrant H. (Harold) Sarkissian (IEEE Ann. Hist. Comput., 2003)