Paper:Sylowtheoremoriginal

Théorèmes sur les groupes de substitutions by Ludwig Sylow, Mathematische Annalen, Vol. 5, (1872), no. 4, 584-594 Springerlink pageArchived local copy: The original formulation of Sylow's theorem by Sylow. Does not include the congruence condition part of the theorem, which was proved later by Frobenius.