The field emerged in the late 1960s and early 1970s and at first was an almost exclusively British practice.

The field emerged in the 1960s and had a "golden age" in the 1970s.

Following Ruffin's retirement announcement, a field of candidates emerged to run for the seat.

Considerable controversy exists over whether incentives work or not in this field and no consensus has emerged.

For the past 20 years or so, the field of psychology has been emerging as a powerful influence in business.

The article states that the field emerged from within the field of behavior analysis.

The field of entertainment emerged as one profession in which blacks could appeal to both white and black customers.

It was during this period that the modern field of ethology emerged.

This field has emerged from the integration of molecular biology into traditional epidemiologic research.

As a result of the two subfields using different approaches a third field has emerged, which is environmental geography.