51.   In the survey mentioned above, the health sector was second only to mechanical engineering in the proportion of employers experiencing difficulties.

52.   The several causes for his anger have been mentioned above, and one should not forget the concurrent crisis involving the USSR and Hungary.

53.   How did the particular teacher mentioned above match up with this list?

54.   Continental-margin orogens are considered in several of the references mentioned above.

55.   The characteristics of the various types of volcanic eruption are considered in the general texts mentioned above.

56.   The counterpart for the present case of the linear stability theory mentioned above predicts overstability.

57.   As mentioned above, most of the mosaics with grids of square or rectangular panels also share a number of decorative features.

58.   Framed by a single, dark line both panels give to the spectator that sense of a privileged view mentioned above.

59.   A large number of the mosaics which appear to indicate fairly specific affinities with the mosaics of sites mentioned above are geometric pavements.

60.   Although the two cases mentioned above are both Scottish cases, the law of England is the same on this point.