The desktop metaphor as an approach to user interface design (Panel Discussion). - Jeff A. Johnson; David Canfield Smith; Frank Ludolph; Charles H. Irby (ACM Annual Conference, 1985)

Fabrik: A Visual Programming Environment. - Dan Ingalls; Scott Wallace 002; Yu-Ying Chow; Frank Ludolph; Ken Doyle (OOPSLA, 1988)

The Fabrik programming environment. - Frank Ludolph; Yu-Ying Chow; Daniel Ingalls; Scott Wallace 002; Ken Doyle (VL, 1988)

Simplified Applications for Network Computers. - Don Gentner; Frank Ludolph; Chris Ryan (CHI, 1997)

Inventing the Lisa user interface. - Roderick Perkins; Dan Smith Keller; Frank Ludolph (Interactions, 1997)

The Lisa user interface. - Frank Ludolph; Roderick Perkins (CHI Conference Summary, 1998)