https://www.metv.com/stories/raymond-burr-went-the-extra-mile-to-make-sure-perry-mason-was-authentic

Burr educated himself in the world of law.

Raymond Burr kept this unconventional animal as a house pet (https://www.metv.com/stories/raymond-burr-kept-this-unconventional-pet)

A little cutie named Louie!