Most authors throughout the 19th and 20th century disagreed with Fitzinger's assessment.

Some authors disagree and the status as a distinct species is not official.

The two authors do not disagree on everything, however.

The study's authors don't disagree that market makers play a large role.

If the author disagrees we'll discuss alternatives until we're both satisfied.

Does the author agree or disagree with other authors of the subject?

But the authors disagree sharply over the causes of the extinctions.

At least one modern author disagrees with these theories.

In the first half of the 20th century, some authors disagreed, choosing 1570 or 1575 instead of 1567.

However, other authors disagreed with him and the controversy continued until the 1950s.