A sampling theorem for irregularly spaced sample points (Corresp.). - J. R. Higgins (IEEE Trans. Inf. Theory, 1976)

Finite Spherical Analogues of the Whittaker-Shannon Sampling Theorem. - J. R. Higgins (ASST, 1987)

Classical and approximate sampling theorems; studies in the lP(R) and the uniform norm. - Paul L. Butzer; J. R. Higgins; Rudolf L. Stens (J. Approx. Theory, 2005)

On the approximate form of Kluvánek's theorem. - M. G. Beaty; M. M. Dodson; S. P. Eveson; J. R. Higgins (J. Approx. Theory, 2009)

Herbert Raabe's work in multiplex signal transmission and his development of sampling methods. - Paul L. Butzer; M. M. Dodson; Paulo Jorge S. G. Ferreira; J. R. Higgins; O. Lange; P. Seidler (Signal Process., 2010)