Schumacher, F., & Marciel, A. M. (2001). Archives in Germany: An Introductory Guide to Institutions and Sources / Ed. by Frank Schumacher with the assistance of Annette M. Marciel. German Historical Institute.

Schumacher, Frank, and Annette M. Marciel. Archives in Germany: An Introductory Guide to Institutions and Sources / Ed. by Frank Schumacher with the Assistance of Annette M. Marciel. Washington, D.C.: German Historical Institute, 2001.

Schumacher, Frank, and Annette M. Marciel. Archives in Germany: An Introductory Guide to Institutions and Sources / Ed. by Frank Schumacher with the Assistance of Annette M. Marciel. German Historical Institute, 2001.