Webster's Dictionary and Thesaurus
Merriam-Webster, Inc
Encyclopedia of the American Left
Mari Jo Buhle & Paul Buhle & Dan Georgakas
The Calculus of Complex Functions
William Johnston
Catholic Bible Dictionary and Encyclopedia (Illustrated)
Matt Eaton
The End of Philosophy
Martin Heidegger
The Hidden Life of Trees: What They Feel, How They Communicate ...
Peter Wohlleben
The Secret Wisdom of Nature