27. The Space-Time Continuum of the General Theory of Relativity is Not a Eculidean Continuum</b><br>28. Exact Formulation of the General Principle of Relativity</b><br>29. The Solution of the Problem of Gravitation on the Basis of55 years ago

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<b>Part III: Considerations on the Universe as a Whole</b></b><br>30. Cosmological Difficulties of Netwon's Theory</b><br>31. The Possibility of a "Finite" and yet "Unbounded" Universe</b><br>32. The Structu55 years ago

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Appendix III55 years ago

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