Double Star
Robert A. Heinlein
Philosophical Dialectics: An Essay on Metaphilosophy
Nicholas Rescher
Philosophy and Religion
Friedrich Wilhelm Joseph von Schelling
Complete Works of Sir Isaac Newton (Delphi Classics)
Isaac Newton & Delphi Classics
Delphi Series Six (26)
1001 Ideas That Changed the Way We Think
Robert Arp
Construction of Mappings for Hamiltonian Systems and Their Applications
Sadrilla S. Abdullaev