classification system

Does the present classification system use these five, or have there been recent changes?

The order has only recently been recognized in classification systems.

The family has been accepted in all major classification systems of the 20th century.

Many classification systems have been used to sort the plays.

This group does not fit into the current classification system.

They created the first formal classification system, which had 27.

By around the turn of the century Henry had created the basic classification system they use in most countries.

Some of them still stand; however, the classification system for swimming has since been changed.

A classification system for the records was determined, most of which is still being used.

Most countries employ some sort of classification system for certain government information.