Spectral Standard Model (a key reference within this website) 

Ali H. Chamseddine: Correspondence and references
Alain Connes: Correspondence and references
W.D. van Suijlekom: Correspondence and references

And:
Fedele Lizzi
Matilde Marcolli: Presentation regarding the Spectral Standard Model

Wikipedia: Spectral Standard Model
To be continued as more work is done…