1. “The Theory of Digital Handling of Non-Numerical Information and its implications to Machine Economics,” Zator Technical Bulletin No. 48 (1950), Paper presented at the March 1950 meeting of the Association for Computing Machinery at Rutgers University; also
2. “Information Retrieval Viewed as Temporal Signalling,” Proceedings of the International Congress of Mathematicians, Harvard University, Aug. 30 – Sept. 6, 1950, v. 1 p. 572.
3. “Selective Device,” U. S. Pat. No. 1,165,465, December 28, 1915 (filed Sept. 14, 1915).
4. “Means for Compiling Tabular and Statistical Data,” U. S. Pat. No. 1,351,692, August 31, 1920 (filed July 23, 1918).
5. “Statistical Machine,” U. S. Pat. No. 1,838,389, December 29, 1931 (filed April 5, 1928).