First 12 pages are downloadable in a PDF at log24.com/log/Diamond_Theory-1976-pp-1-12.pdf . Newer material is at finitegeometry.org/sc/ . A downloadable copy of that website is at zenodo.org/record/1038121 .
- Diamond Theory-page 01-500w
- Diamond Theory-page 02-500w
- Diamond Theory-page 03-500w
- Diamond Theory-page 04-500w
- Diamond Theory-page 05-500w
- Diamond Theory-page 06-500w
- Diamond Theory-page 07-500w
- Diamond Theory-page 08-500w
- Diamond Theory-page 09-500w
- Diamond Theory-page 10-500w
- Diamond Theory-page 11-500w
- Diamond Theory-page 11A-500w
- Diamond Theory-page 12-500w
- Diamond Theory-page 13-500w
- Diamond Theory-page 14-500w