1.   Although the actors find a comfortable camaraderie, the ease with which these friendships transcend ethnic and class boundaries seems more fantasy than fact.

2.   Art education crossed class boundaries.

3.   A revolution of sorts takes place as Maggie crosses class boundaries to find a husband, but it is bloodless and deliberately reassuring.

4.   It crossed class boundaries and combined entertainment with artistic ambitions.

5.   The relationship is not only adulterous, it also crosses strict class boundaries.

6.   What has struck Professor Mulroy is the way JSTOR will change the class boundaries within academia.