When Worlds Collide - Reconciling the Research, Marketplace, and Applications Views of Hypertext (Panel). - Robert J. Glushko; David Gunning; Ken Kershner; Catherine C. Marshall; Louis Reynolds (Hypertext, 1991)

Silicon Graphics adopts SGML for online documentation. - Robert J. Glushko; Ken Kershner (SIGWEB Newsl., 1993)