Algorithm 280: Abscissas and weights for Gregory quadrature. - John H. Welsch (Commun. ACM, 1966)

Algorithm 281: Abscissas and weights for Romberg quadrature. - John H. Welsch (Commun. ACM, 1966)

Certification of Algorithm 253: Eigenvalues of a real symmetric matrix by the QR method. - John H. Welsch (Commun. ACM, 1967)

Certification of Algorithm 254: Eigenvalues and Eigenvectors of a real symmetric matrix by the QR method. - John H. Welsch (Commun. ACM, 1967)

Calculation of Gauss quadrature rules. - Gene H. Golub; John H. Welsch (Milestones in Matrix Computation, 2007)