Encyclopedia of Angels
Rosemary Guiley
Encyclopedia of Biomaterials and Biomedical Engineering
Gary E. Wnek & Gary L. Bowlin
A Companion to Atheism and Philosophy
Graham Oppy
General Theory of Knowledge
Moritz Schlick
Semitic Languages in Contact
Aaron Michael Butts
The Oxford Dictionary of Family Names in Britain and Ireland
Patrick Hanks & Richard Coates & Peter McClure (historian)