Vol. 8: 69-03, Complete Wind Bell
Wind Bell says that it's from six lectures but upon investigation the only sources seem to be the first of the four Lotus Sutra lectures cited.
Vol. 14: 75-01, Complete Wind Bell
*p.2 - with a photo of Steve Stucky on the cover when he, who had worked horses as a boy, was in charge of the horses at Green Gulch farm.