The 2nd Scientific American Book of Mathematical Puzzles & Diversions
Martin Gardner
Two Dimensional Semantics (Essay)
David John Chalmers
Collins English Dictionary
Collins Dictionaries
Die Wiener Zeit: Aufsätze, Beiträge, Rezensionen 1926–1936
Moritz Schlick
Encyclopedia of Giftedness, Creativity, and Talent
Barbara Kerr
The Truth About Death and Dying
Karen Meyers & Robert N. Golden & Fred L. Peterson