. . "Documentation of the Befehlshaber der Sicherheitspolizei und des SD (BdS-Commander-in Chief of the Security Police and SD) in Riga, from the Osoby Archive in Moscow"@eng . "Documentation of the Befehlshaber der Sicherheitspolizei und des SD (BdS-Commander-in Chief of the Security Police and SD) in Riga, from the Osoby Archive in Moscow"@eng . .