gistfile1.txt

// MyViews.xib に複数のViewをいれました
NSArray *nibContents = [[NSBundle mainBundle] loadNibNamed:@"MyViews" owner:nil options:nil];

// RestorationIDに適当な名前をつけておいて取り出しました
__block UIView *targetView = nil;
[nibContents enumerateObjectsUsingBlock:^(UIView *view, NSUInteger idx, BOOL *stop) {
   if ([view.restorationIdentifier isEqualToString:@"MyView"]) {
       *stop = YES;
       targetView = (UIView *)view;
   }
}]; // targetViewは"MyView"というRestorationIDをつけたview