An Invitation to Formal Reasoning: The Logic of Terms
George Englebretsen & Fred Sommers
Discrete Mathematics
John A. Dossey
The Mentally Retarded Child: A Psychological Approach
Nancy M. Robinson & Halbert B. Robinson
The Truth About Paying Fewer Taxes
S. Kay Bell
The Philosophy of Physical Science
Arthur Stanley Eddington
History and Salvation in Medieval Ireland
Elizabeth Boyle