Sacrosanctum concilium
  Chap., Paragraph
1     1,  23    |  legitimate progress Careful investigation is always to be made into
2     1,  23    | which is to be revised. This investigation should be theological, historical,


Gaudium et spes
  Chap., Paragraph
3     3,  36    |      Therefore if methodical investigation within every branch of learning
4     5,  51(14)|     further and more careful investigation have been handed over, at
5     6,  57    |     else. For the methods of investigation which these sciences use


Gravissimum educationis
  Chap., Paragraph
6     0         |    technology and scientific investigation and the new means of communication