(nl) Jacob Korevaar et Robert Tijdeman, «De geschiedenis van Indagationes Mathematicae», Nieuw Archief voor Wiskunde, 5e série, vol.14, , p.66–72 (lire en ligne).
(nl) Henk Broer, «Indagationes Mathematicae 2009--2018», Nieuw Archief voor Wiskunde, 5th Ser., vol.20, , p.9–10 (lire en ligne).
Donald Knuth, «Questions and Answers II», TUGboat, vol.17, , p.355–367 (lire en ligne). Réimpression: chapitre 32 de Digital Typography, p.601–624 et notamment p.364 (p.620): «And the third source was a copy of Indagationes Mathematicae, the Dutch journal. There's a long fine tradition of quality printing in the Netherlands, and I selected an issue from 1950 or thereabouts, where again I thought that the mathematics was particularly well done.».