Parte,  Chap.

1   I,       XXI| Quixote, "and the matter being doubtful, pending better information,
2   I,       XLV|    CHAPTER XLV.~ ~IN WHICH THE DOUBTFUL QUESTION OF MAMBRINO'S HELMET
3   I,      XLVI|      the negotiator brings the doubtful case to a successful termination;
4   I,      XLIX|    they did, I hold to be very doubtful. In that other matter of
5  II,       XIV|        of La Mancha I consider doubtful; it may have been some other
6  II,      XLIX|         and gave more than one doubtful point in his favour, very
7  II,     LVIII|   wonder, and making them feel doubtful whether they ought to regard
8  II,      LXVI|   world knows, to settle these doubtful questions and give an opinion