Federated Philatelic Clubs of Southern California
https://10times.com/organizers/federated-philatelic-clubs-southern-california

Stamp Exhibitions of Southern California (SESCAL)
http://www.sescal.org/

Southern California Stamp Shows
http://www.stampshows.com/california_s.html

Stephen Patillo's Quality Stamp Shows
http://www.stampshowsteve.com/

Luther's Stamp Box
https://www.hipstamp.com/store/luthers-stamp-box

Sam's La Sierra University Page
https://lasierra.edu/english/sam-mcbride/