The Moldova-Institut Leipzig e.V. publishes in cooperation with the Bundesstiftung Aufarbeitung der SED-Diktatur an interesting and helpful guide to archives, research institutions, libraries, associations, museums and sites of memory concerning the communistic history in Eastern Europe. It is in english and because of this, it will make the international research much easier for historians and scientist.
It will be published by the Leipziger Universitätsverlag in May 2010. If you like to, you can already have a look online.