It appears to have been principally confined to the sacred music in the temples.

His knowledge of geography was rudimentary, being principally confined to the east coast where he had travelled with his mother.

Virgin Atlantic, Ms. Levin said, had been hindered by a frequent-flier program that was principally confined to the airline's somewhat limited route structure.

Cultivation is principally confined to the immediate vicinity of the rivers, which are employed for purposes of irrigation.

As yet the cargoes are principally confined to bananas and cocoanuts.

His duties were confined principally to the material needs of the various communities in which he lived.

In France industry-wide negotiation has been the preferred level for wage bargaining, being principally confined to the fixing of minimum conditions.

His labors were principally confined to his office as teacher, for which he had remarkable qualifications.

The encouragement given to the importation of the materials of manufacture by bounties has been principally confined to such as were imported from our American plantations.

For the first ten years the company principally confined itself to the building of marine engines.