Complex Analysis
Joseph Bak & Donald J. Newman
The Routledge handbook of linguistics
Edited by Keith Allan.
Language Families of the World
John McWhorter
Encyclopedia of Native American Tribes
Carl Waldman
Can Mathematics Be Proved Consistent?: Gödel's Shorthand Notes ...
Jan von Plato
Formalized Music: Thought and Mathematics in Composition
Iannis Xenakis