11.   The collection was recommended by the director of a major German museum and by a Munich art dealer who is a Yale graduate.

12.   The labels identifying the works drew attention to the prices that German museums had paid for them.

13.   To compensate for its enormous losses, the Soviet Union said, it carried out its own looting of German museums, private art collections and churches.

14.   Yet some German museums have known for years where to find their artworks in the United States, but sometimes have made only feeble attempts to recover them.

15.   Others legally belonged to German museums.

16.   But others had been legally acquired by German museums.

17.   Historians have vouched for the authenticity of all the photographs, which come from German museum archives.

18.   Historians have vouched for the authenticity of all the photographs, who come from German museum archives.

19.   Since Rembrandt never made outlines, experts agreed that it was probably a copy and that the painting in the German museum is genuine.

20.   The two-volume inventory lists German museums alphabetically.