Possibility and Necessity: The Role of Possibility in Cognitive ...
Jean Piaget & E. Ackermann-Valladao
Knowledge Representation and Organization in Machine Learning
Katharina Morik
The Rich and the Pure: Philanthropy and the Making of Christian ...
Daniel Caner
Partielle Differentialgleic[..] und ihre Anwendungen auf physikalische ...
Bernhard Riemann
Order of Melchisedech: A Defence of the Catholic Priesthood
Michael Davies
Roget's Thesaurus of English Words & Phrases
Peter Mark Roget