War Crimes

Nazi Trail Opening the U.N. files

The dingy building on Manhattan's Park Avenue South is a good half-mile from United Nations headquarters. There are no flags, no logo and no indication that controversy rages inside. Only the directory in the red marble lobby provides a clue. Listed inconspicuously in alphabetical order, right after Quadrille Wallpapers & Fabrics Inc., is United Nations Archives, twelfth floor.

Once a placid repository, the office is soon expected to buzz with activity. The sole security guard will be joined by other watchmen. Offices are being spruced up, and five new microfilm readers are being installed. The cause of the upheaval is a...