M. Mout, “S. van Romburgh, ’For my worthy freind mr Franciscus Junius’. An edition of the correspondence of Francis Junius F.F. (1591-1677)”, BMGN-LCHR, vol. 120, no. 1, pp. 117–118, Jan. 2005, doi: 10.18352/bmgn-lchr.6171.