Arthur Cayley, On Jacobi's elliptic functions, in
reply to the Rev. B. Bronwin; and on quaternions (appendix only), in
The Collected Mathematical Papers, Johnson Reprint Co., New York,
1963, p. 127.
E. Corrigan and T. J. Hollowood, The exceptional Jordan
algebra and the superstring, Comm. Math. Phys. 122 (1989),
393-410. Available online courtesy of Project
Euclid.
C. W. Curtis, The four and eight square problem
and division algebras, in Studies in Modern Algebra, ed.
A. Albert, Prentice-Hall, Englewood Cliffs, New Jersey, 1963, pp. 100-125.
John R. Faulkner and Joseph C. Ferrar,
Exceptional Lie algebras and related algebraic and geometric structures,
Bull. London Math. Soc. 9 (1977), 1-35.
Alex J. Feingold, Igor B. Frenkel, and John F. X.
Ries, Spinor Construction of Vertex Operator Algebras, Triality, and
$\E _8^{(1)}$, Contemp. Math. 121, Amer. Math. Soc.,
Providence, Rhode Island, 1991.
Hans Freudenthal, Beziehungen der $e_7$ und
$\e _8$ zur Oktavenebene, I, II, Indag. Math. 16 (1954),
218-230, 363-368. III, IV, Indag. Math. 17 (1955),
151-157, 277-285. V - IX, Indag. Math. 21 (1959),
165-201, 447-474. X, XI, Indag. Math. 25 (1963) 457-487.
Hans Freudenthal, Bericht über die Theorie
der Rosenfeldschen elliptischen Ebenen, in Raumtheorie, Wege
Der Forschung, CCLXX, Wissenschaftliche Buchgesellschaft, Darmstadt,
1978, pp. 283-286.
B. Grossman, T. E. Kephart, and James D. Stasheff,
Solutions to Yang-Mills field equations in eight dimensions and the
last Hopf map, Comm. Math. Phys. 96 (1984), 431-437.
Murat Günaydin, Generalized conformal and
superconformal group actions and Jordan algebras,
Mod. Phys. Lett. A8 (1993), 1407-1416.
Also available as arXiv:hep-th/9301050.
Murat Günaydin, Kilian Koepsell, and Hermann Nicolai,
Conformal and quasiconformal realizations of exceptional Lie groups.
Available as arXiv:hep-th/0008063.
William Rowan Hamilton, Four and eight square
theorems, in Appendix 3 of The Mathematical Papers of Sir William
Rowan Hamilton, vol. 3, eds. H. Halberstam and R. E. Ingram,
Cambridge University Press, Cambridge, 1967, pp. 648-656.
Wilhelm Killing, Die Zusammensetzung der stetigen
endlichen Transformationsgruppen I, Math. Ann. 31 (1888),
252-290. II, 33 (1889) 1-48. III, 34 (1889), 57-122.
IV 36 (1890), 161-189.
Kevin McCrimmon, Jordan algebras and their applications,
Bull. Amer. Math. Soc. 84 (1978), 612-627.
Available online courtesy of AMS and Project
Euclid.
Boris A. Rosenfeld, Geometrical interpretation of
the compact simple Lie groups of the class $E$ (Russian), Dokl. Akad. Nauk. SSSR (1956) 106, 600-603.
G. Sierra, An application of the theories of Jordan
algebras and Freudenthal triple systems to particles and strings,
Class. Quant. Grav. 4 (1987), 227-236.