Andescotia Software LLC
   Makes Marten graphical integrated software development environment, a Prograph variant.
   http://www.andescotia.com/

Commands and Undo CPX
   Article by Kurt Schmucker, Apple Computer, Inc. in MacTech magazine (Volume 11 Issue 1).
   http://www.mactech.com/articles/mactech/Vol.11/11.01/CommandsandUndoCPX/index.html

DataLink: The Prograph Pages
   Historical archive of code and information, overview of possible replacements. Short description of CPX, screen shots, CPX library of freeware tool kits, Prograph Classic freeware IDE from Pictorius, link page.
   http://www.taylor-design.com/datalink/

Filters & Sieves in Prograph CPX
   Article by Kurt Schmucker in MacTech magazine (Volume 11 Issue 3).
   http://www.mactech.com/articles/mactech/Vol.11/11.03/PrographUndo/index.html

How Prograph Surpasses Any Other IDE
   Description and QuickTime movie of coding in Prograph CPX.
   http://blue.gracion.com/cpx/demo.html

MacApp and Prograph CPX: A Comparison
   Article by Kurt Schmucker, Advanced Technology Group, Apple Computer, Inc. [MacTech, Volume 11 Issue 5]
   http://www.mactech.com/articles/mactech/Vol.11/11.05/MacAppandPrograph/

Prograph 1.2: An OOP Primer
   Article by Dave Kelly, MacTutor Editorial Board [MacTech, Volume 6 Issue 3]
   http://www.mactech.com/articles/mactech/Vol.06/06.03/Prograph1.2/

Prograph 2.0: Prograph Grows Up
   Article by Dave Kelly, MacTutor Editorial Board. [MacTech, Volume 7 Issue 1]
   http://www.mactech.com/articles/mactech/Vol.07/07.01/Prograph2.0/index.html

Prograph 2.5
   Article by Terry Kilshaw. [MacTech, Volume 8 Issue 1]
   http://www.mactech.com/articles/mactech/Vol.08/08.01/Prograph2.5/index.html

Prograph CPX
   Downloads: Classes and example viewer for images compressed in any format supported by QuickTime 2.5, several universals for handling integer arrays. By Lloyd R. Fortney.
   http://www.phy.duke.edu/~fortney/cpx/

Prograph CPX 1.0 Review
   [MacTech, Volume 10 Issue 3]
   http://www.mactech.com/articles/mactech/Vol.10/10.03/PrographReview/

Prograph CPX Tutorial
   [MacTech, Volume 10 Issue 11]
   http://www.mactech.com/articles/mactech/Vol.10/10.11/PrographCPXTutorial/

Prograph Primitive
   Article by Terry Kilshaw. [MacTech, Volume 7 Issue 5]
   http://www.mactech.com/articles/mactech/Vol.07/07.05/PrographPrimitive/index.html

Radix Sort with Prograph
   Article by Robert McIvor in MacTech (Volume 7 Issue 5)
   http://www.mactech.com/articles/mactech/Vol.07/07.05/RadixSort/

Why Do I Need Prograph CPX?
   Article by Dr. Scott B. Steinman. [MacTech, Volume 11 Issue 7]
   http://www.mactech.com/articles/mactech/Vol.11/11.07/PrographApp/