Article Halpern, Paul; (2007)
Klein, Einstein, and Five-Dimensional Unification (/isis/citation/CBB000850201/)

Book Dongen, Jeroen van; (2010)
Einstein's Unification (/isis/citation/CBB001020918/)

Chapter Salvo D'Agostino; (2016)
What is light? What is ether? An overwiew of Einstein’s problem on the abolition of ether and on its inheliminable presence in General Relativity (/isis/citation/CBB336368332/)

Chapter Stefano Bordoni; (2009)
Discrete Models for Electromagnetic Radiation: J.J. Thomson and Einstein (/isis/citation/CBB519434910/)

Book Melia, Fulvio; (2009)
Cracking the Einstein Code: Relativity and the Birth of Black Hole Physics (/isis/citation/CBB001020068/)

Article Rowe, David E.; (2001)
Einstein Meets Hilbert: At the Crossroads of Physics and Mathematics (/isis/citation/CBB000102532/)

Article Tilman Sauer; (2021)
Soldner, Einstein, Gravitational Light Deflection and Factors of Two (/isis/citation/CBB321888925/)

Book Ron Cowen; (2019)
Gravity’s Century: From Einstein’s Eclipse to Images of Black Holes (/isis/citation/CBB699668949/)

Article Torretti, Roberto; (2000)
Gravity as spacetime curvature (/isis/citation/CBB000110494/)

Article Stachel, John; (2005)
Einstein et “Zweistein” (/isis/citation/CBB001252089/)

Article Sauer, Tilman; (2006)
Field Equations in Teleparallel Space-Time: Einstein's Fernparallelismus Approach Toward Unified Field Theory (/isis/citation/CBB000771355/)

Article Brading, K. A.; Ryckman, T. A.; (2008)
Hilbert's “Foundations of Physics”: Gravitation and Electromagnetism within the Axiomatic Method (/isis/citation/CBB000830359/)

Article Afriat, Alexander; (2009)
How Weyl Stumbled across Electricity While Pursuing Mathematical Justice (/isis/citation/CBB000933689/)

Book Scholz, Erhard.; (2001)
Hermann Weyl's Raum--Zeit--Materie and a General Introduction to his Scientific Work (/isis/citation/CBB000101681/)

Article Giannetto, Enrico R. A.; (2009)
The Electromagnetic Conception of Nature at the Root of the Special and General Relativity Theories and Its Revolutionary Meaning (/isis/citation/CBB001032842/)

Book Halpern, Paul; (2004)
The Great Beyond: Higher Dimensions, Parallel Universes and the Extraordinary Search for a Theory of Everything (/isis/citation/CBB000401058/)

Article Abiko, Seiya; (2003)
On Einstein's Distrust of the Electromagnetic Theory: The Origin of the Lightvelocity Postulate (/isis/citation/CBB000340912/)

Article Pound, Robert V.; (2000)
Weighing Photons, I (/isis/citation/CBB000110128/)

Article Jürgen Renn; Roberto Lalli; Alexander Blum; Domenico Giulini; (2017)
Editorial introduction to the special issue “The Renaissance of Einstein’s Theory of Gravitation” (/isis/citation/CBB994559637/)

Article Dragoni, Giorgio; Maltese, Giulio; Atti, Luisa; (2007)
Quirino Majorana's Experiments on the Speed of Light and Gravitational Absorption (/isis/citation/CBB000850196/)