I don’t have his documents on hand, but I’d instead recommend you read the transscripts of the NSA-Untersuchungsausschuss of the German Bundestag, which investigated the NSA and BND affairs. They’re official government documents, and are transscripts of people testifying under oath.
The head of the BND stated that the BND did not record any information about Germans, and the NSA did not record any information about Americans, but that the BND shared whatever it collected about Americans with the NSA, and in reverse.
The head of the BND stated that the BND did not record any information about Germans, and the NSA did not record any information about Americans, but that the BND shared whatever it collected about Americans with the NSA, and in reverse.