2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/104789We prove that for a normal projective variety $X$ in characteristic 0, and a base-point free ample line bundle $L$ on it, the restriction map of divisor class groups $\Cl(X)\to \Cl(Y)$ is an isomorphism for a general member $Y\in |L|$ provided that $\dim{X}\geq 4$. This is a generalization of the Grothendieck-Lefschetz Theorem, for divisor class groups of singular varieties.21 pages, no figures, to appear in J. Algebraic GeometryAlgebraic Geometrytext