Good article! As is this one

https://paulickreport.com/features/bloodlines/bloodlines-presented-by-no-no-cribbing-collar-fifty-years-later-secretariat-looms-large-in-kentucky-derby-pedigrees/

Excellent article- It is important  that people should know how important he is as a sire and broodmare sire because he is not thought of in that way to most of us.