Does anyone know if the original source as diagrams and pencil code is preserved somewhere? It looks as if some of them might have been re-drawn for: https://

Does anyone know if the original source as diagrams and pencil code is preserved somewhere? It looks as if some of them might have been re-drawn for: https://www.multicians.org/nss.html https://www.multicians.org/nss.html and this is the source code in question? https://www.multicians.org/vtoc_man.html https://www.multicians.org/vtoc_man.html