Book,  Part, Title, Chapter, Can.

 1   1,   0,    6,   2, 114 |         which aim at a genuinely useful purpose and which, all things
 2   2,   1,    3,   1, 249 |        appear to be necessary or useful for their formation or for
 3   2,   1,    5,   1, 304 |          to what is necessary or useful in the circumstances of
 4   2,   2,    3,   2, 473 |    episcopal Vicars. Where it is useful, he may appoint a Moderator
 5   2,   2,    3,   2, 473 |       Where the Bishop judges it useful for the better promotion
 6   2,   2,    3,   3, 498 |        diocese and exercise some useful office there, whether they
 7   2,   2,    3,   6, 518 |     given territory. Where it is useful however, personal parishes
 8   2,   2,    3,   6, 535 |     which it may be necessary or useful to preserve. On the occasion
 9   3,   0,    1,   2, 775 |         2 If it is thought to be useful, the Episcopal Conference
10   4,   1,    6,   2, 1051|         time and place, may seem useful, such as testimonial letters,
11   6,   1,    6,   0, 1361|          as this would either be useful for the protection of the
12   7,   2,    4,   0, 1527|        type of proof which seems useful for the investigation of
13   7,   2,    4,   3, 1570| considers it either necessary or useful, provided there is no danger
14   7,   2,    8,   2, 1639|           not even by way of the useful accumulation of grounds.