In this paper, we have established a lower and an upper bounds for the spectral norms of the general Cauchy-Toeplitz matrices of the form Tn = [1/(g + (i - j)h)], where g = 1/k and h = 1. Moreover, we have obtained an upper bounds for the spectral norm of the Cauchy-Hankel matrices of the form Hn = [1/(g + (i + j)h)], where g = 1/k and h = 1. In addition, we have established a lower and an upper bounds for the Euclidean norm of the Hadamard product Cauchy-Toeplitz and Cauchy-Hankel matrices. © 2002 Elsevier Science Inc. All rights reserved.