On Formally Undecidable Propositions of Principia Mathematica ...
Kurt Gödel
A Balance Equation Between the Collapsing Gravitational Spacetime ...
Nassim Haramein & E. A. Rauscher
Pyqt6 101: A Beginner’s Guide to PyQt6
Edward Chang
Encyclopedia of the Age of Imperialism, 1800-1914
Carl Cavanagh Hodge
Margaret Cavendish: Observations Upon Experimental Philosophy
Margaret Cavendish
Outlines of Psychology
Wilhelm Max Wundt