CBS Sunday Morning has created a wonderful story on Gargoyles and Grotesques featuring many of the 100 or so Carpenter sculpted for the Washington National Cathedral. Sculptor Jay Hall Carpenter and carver Walter Arnold are interviewed: https://www.cbsnews.com/video/the-art-of-gargoyles/ (4 mins, air date 27 October 2019).
Some of the animal grotesques JHC designed for the West Towers on the National Cathedral