CODAS: a data display system. - Richard H. Day; M. K. Mansfield; Max E. Ellis (Commun. ACM, 1969)

Skteches. - Max E. Ellis; Gene Raichelson (FDT Bull. ACM SIGFIDET SIGMOD, 1969)

A Data Description Language for Hierarchical Data Files. - Max E. Ellis; Kenneth H. Nelson (SIGFIDET Workshop, 1970)

SIMS: an integrated, user-oriented information system. - Max E. Ellis; William Katke; James Olson; Shou-Chuan Yang (AFIPS Fall Joint Computing Conference (2), 1972)