11.   Informed decisions about their fate will require more than the usual factors considered in assessing buildings for landmark designation, like style, aesthetic merit or historical significance.

12.   Landmark designation is always a subject of debates, and talking about race in any context is touchy.

13.   Many minor changes have been made to the houses, both before and after landmark designation.

14.   Now a tenant, concerned about demolition, has proposed the building for landmark designation.

15.   She said the landmark designation ought not to be seen as an obstacle.

16.   She noted that many of those who had written in favor of landmark designation spoke of the loss of light and air.

17.   So does Robert Stern, dean of the Yale School of Architecture, who favors landmark designation of the building.

18.   That the house needs help no one would dispute, but even with its landmark designation there are no guarantees, and its future is unclear.

19.   The issue was forced in December, when the city council ended protection for any buildings covered by proposed landmark designations.

20.   The plan was thwarted by vigorous opposition from residents of the quiet, leafy neighborhood, and by the landmark designation, which imposes limits on development.