The Secrets of Triangles: A Mathematical Journey
Alfred S. Posamentier & Ingmar Lehmann
Philosophy for Everyone
Massimi, Michela & Chrisman, Matthew & Pritchard, Duncan & Fletcher, Guy & Mason, Elinor & Lavelle, Jane Suilin & Richmond, Alasdair & Ward, Dave
The Metaphysics of Gottlob Frege: An Essay in Ontological Reconstruction
E. H. W. Kluge
Danish: An Essential Grammar
Philip Holmes & Robin Allan & Tom Lundskær-Nielsen
Model Generation for Natural Language Interpretation and Analysis
Karsten Konrad
Portuguese: A Linguistic Introduction
Milton M. Azevedo
Portugese
Tait, Norma de Oliveira