Bibliotheca Visseriana dissertationum ius internationale illustrantium ; t. 5, X.
A review (originally published in De Gids, 1868) of the edition of De jure praedae published that year from a recently published manuscript. "Postscript" (from Nederlandsche spectator, 1875): p. 72-74. "Appendix to Fruin's article, by Mrs. E.R. Molhuysen, née Oppenheim" (p. 75-100) is an unfinished list in an unidentified hand, found among Fruin's papers, comparing the 12th chapter of the manuscript with its printed version, published separately as Mare liberum, 1608.