Early on, Docomomo was mainly concerned with preservation techniques.
Vincent du Vigneaud's research was mainly concerned with sulfur-containing compounds of biochemical importance.
Levi was mainly concerned with the 1950s, however, not the recent past.
It was mainly concerned with accelerated troop withdrawal and "how the war with Iraq will end".
On the minus side, it was mainly concerned with the protection of fisheries.
The Mollen investigation was mainly concerned with criminal acts by rogue cops.
For a long time after 1750, Welsh prose was mainly concerned with religious subjects.
But, she said to constitutional-lawyer Cruz, she was mainly concerned with the constitutionality of the president's ban.
He was mainly concerned with the restoration of the discipline and the development of the Lamaistic cult.
The Anti-Barren Island League, which briefly became a force in city politics, was mainly concerned about the smell.
The trouble with Elvis was that he had very little to say; he was mainly concerned about sounding polite.
