1.   A historian argues for an evolutionary view of freedom.

2.   A historian argues that the building of the Russian Empire impeded the growth of a strong national identity.

3.   But in a new book, a historian argues that gun ownership in the frontier era was far from universal.

4.   But several historians argue that he has over-stated his case.

5.   But some historians argue that this redefinition, if it holds, is not a small development.

6.   Computer historians would argue that the vision was a reality before the days of personal computers, when people worked on dumb terminals that were connected to mainframes.

7.   For years historians have been arguing about just how history should be written.

8.   Historians still argue about whether Said rebelled to defend Kurdish rights or to establish religious rule in Turkey.

9.   Historians have argued about the answer for more than half a century.

10.   Historians will long argue whether the theory was right, or a politically convenient fiction.