The most important ceremonies are the Deerskin dance and the Jumping dance, which are held either annually or biennially, the former always out-doors, the latter at some places out-doors, sometimes in boats, at others in-doors.
"The Religion of the Indians of California"
A. L. Kroeber
I say that if the Crown could be responsible, his Majesty-but certainly the Ministers,-and even these law officers themselves through whose hands the Acts passed, biennially in Ireland, or annually in the Colonies-are in an habitual course of committing impeachable offences.
"Burke's Speech on Conciliation with America"
Edmund Burke
In every township there shall also be biennially elected a School Committee, consisting of three persons, whose duty shall be prescribed by law.
"School History of North Carolina"
John W. Moore