Researching Grants and Awards to Support Your Memoir

Just this morning, I was looking at similar books, doing a little market research, and discovered a possible grant from the Carter Center for writing about mental illness--the Rosalynn Carter Fellowships for Mental Health Journalism.  Now, I'm a professional writer, and have received grants totalling over $100,000. I regularly trawl AWP directories of grants and awards.  But I'd never seen this grant, probably because I am not usually a journalist. Maybe it will prove beneficial to me.  The lesson is, I guess, be resourceful--look for random possible sources of funding...