[1]
S. Groenveld, “A.G.H. Bachrach, R.C. Collmer, Lodewijck Huygens. The English Journal 1651-1652”, BMGN-LCHR, vol. 105, no. 1, pp. 107–109, Jan. 1990, doi: 10.18352/bmgn-lchr.3195.