Suddenly one realise that it is too easy to forget about publications from back in the days that really have had an impact on my understanding of our field of study. Have a look at these papers and books and imagine which texts of today will be on a list 20-30-40-50 years in the future.
Dahlbom, B. (1996). The new informatics. Scandinavian Journal of Information Systems, 8(2), 3. http://iris.cs.aau.dk/tl_files/volumes/volume08/no2/02_dahlbom_p29-48.pdf
Pfaffenberger, B. (1988). The social meaning of the personal computer: Or, why the personal computer revolution was no revolution. Anthropological Quarterly, 39-47.
Bødker, S., Ehn, P., Knudsen, J., Kyng, M., & Madsen, K. (1988, January). Computer support for cooperative design. In Proceedings of the 1988 ACM conference on Computer-supported cooperative work (pp. 377-394). ACM.
Suchman, L. A. (1987). Plans and situated actions: The problem of human-machine communication. Cambridge university press. http://www.lancaster.ac.uk/sociology/about-us/people/lucy-suchman
Ehn, P., & Kyng, M. (1985). A tool perspective on design of interactive computer support for skilled workers. DAIMI Report Series, 14(190).
Weizenbaum, J. (1966). ELIZA—a computer program for the study of natural language communication between man and machine. Communications of the ACM, 9(1), 36-45. http://www.academia.edu/download/31085335/ElizaScript.pdf
Langefors, B. (1963). Some approaches to the theory of information systems. BIT Numerical Mathematics, 3(4), 229-254.
See also: An Interview with Börje Langefors, by Bubenko, J., & Dahlstrand, I. (2003, June). . In IFIP Conference on History of Nordic Computing (pp. 7-22). Springer, Boston, MA. https://link.springer.com/content/pdf/10.1007/0-387-24168-X_2.pdf