At any rate there are two principal ones.

The principal ones have been falling attendance and the difficulty in finding appropriate tournament sites.

Such shapes are achieved by various means, the principal ones being:

Various sources list from six to fifteen as the principal ones.

I have another set of vices when I'm well, but those are the principal ones at present.

I should be able to cover the principal ones within the next half hour.

The table shows the principal ones governed by the moon in yellow.

The organizations included are listed below, principal ones in bold.

They are, however, the principal ones, and there may not, perhaps, be warehouses proper for this purpose in the greater part of the others.

There were other categories too, but these were the principal ones.