A Pictorial Button Class in Prograph
   Article by Terry Kilshaw in MacTech magazine (Volume 9 Issue 1).
   http://www.mactech.com/articles/mactech/Vol.09/09.01/PictButton/index.html

Distributed Prograph
   Article by B. Lanaspre and H. Glaser.
   http://eprints.ecs.soton.ac.uk/583/

Hello, World program
   Prograph
   http://www2.latech.edu/~acm/helloworld/prograph.html

Made with Prograph List
   Briefly describes status of Prograph CPX development, with list of activities. [Tritera, Inc.]
   http://www.tritera.com/prograph.html

OSPGL
   Open-Source Purely Graphical Language Initiative; intended as successor to the visual programming language Prograph.
   http://www.ospgli.org/

Prograph
   Article with description, history, images. [Wikipedia]
   http://en.wikipedia.org/wiki/Prograph

Prograph Development
   Brief overview, MVC system, graph objects, PCT tools, Layered Protocol tool, drug trial simulation. [NTT Systems Inc.]
   http://www.ntt.ca/prohome.html

Type Inference in Prograph
   Research paper, abstract in HTML, body in Postscript; by Benoît Lanaspre, Hugh Glaser. [Declarative Systems & Software Engineering, DSSE]
   http://www.dsse.ecs.soton.ac.uk/techreports/95-03/95-3.html

Visualising the Structure of an IC-card Security Architecture
   Object-oriented dataflow models make it possible to explicitly render security and state manipulations of protocols. Research paper, abstract in HTML, body in Postscript; by Hugh Glaser, Pieter H. Hartel. [Declarative Systems & Software Engineering, D
   http://www.dsse.ecs.soton.ac.uk/techreports/95-03/95-6.html