Candid - is a searchable database of the literature of philanthropy. It incorporates the unique contents of the Foundation Center's.
https://candid.org
Empty Mirror Books - Online bookstore specializing in the Beat Generation, modern & small-press poetry & the arts also offers free author biographies.
https://www.emptymirrorbooks.com/
Iowa City of Literature USA - Iowa City of Literature USA offers support writers, book publishing and book festivals services.
https://www.iowacityofliterature.org/
PETA Literature - PETA's literature catalog is full of materials that can help you help animals.
https://shop.peta.org/