assigned by such officers who would then periodically dispatch such documents by courier to the Office of the United States Chief of Counsel. "11. Upon receipt of these documents they were duly recorded and indexed. After this operation they were delivered to the Screening and Analysis Branch of the Documentation Division of the Office of the United States Chief of Counsel, which Branch re-examined said documents in order to finally determine whether or not they should be retained as evidence for the prosecutors. This final screening was done by German speaking analysts on the staff of the Office of the United States Chief of Counsel. When the document passed the screeners it was then transmitted to the Document Room of the Office of the United States Chief of Counsel with a covering sheet prepared by the screeners showing the title or nature of the document, the personalities involved, and its importance. In the Document Room a trial identification number was given to each document, or to each group of documents in cases where it was desirable for the sake of clarity to file several documents together. "12. United States documents were given trial identification numbers in one of five series designated by letters: 'PS1, fL», ,Rt, fCf and 'EC', indicating the means of acquisition of the documents. Within each series documents were listed numerically. "13• In almost all instances the original captured enemy document was delivered to the Documentation Division