théorie du champ unifié

[1974] Two letters from Einstein concerning his distant parallelism field theory ; Herbert E. Salzer ; Archive for history of exact sciences 12 (1974) p. 89 [lien]
[1979] Equivalence of Einstein's 1925 unified field theory and his relativistic theory of the nonsymmetric field ; Coates R. Johnson ; American Journal of Physics 47 (mai 1979) p. 425 [lien]
[2004] Einstein et la théorie unitaire : 40 ans de perdus ? ; Catherine Goldstein ; Jim Ritter ; Pour la Science 326 (dec 2004) p. 126 [lien]
[2004] On the History of Unified Field Theories ; Hubert F.M. Goenner ; Living Reviews in Relativity 7 (2004) p. 1 [lien]
[2014] On the History of Unified Field Theories. Part II. (ca. 1930 – ca. 1965) ; Hubert F. M. Goenner ; Living Reviews in Relativity 17 (2014) p. 5 [lien]