Multitasking/multiuser systems. - Yong M. Lee; Edward Conjura (FORTH, 1989)

First step to Forth engine construction. - Yong M. Lee; Edward Conjura (FORTH, 1992)

C++ style class support under FIG Forth. - Yong M. Lee; Donald J. Alameda (SAC, 1994)

Object linkage mechanism for threaded interpretive languages. - Yong M. Lee; Donald J. Alameda (SAC, 1995)