| RefNo | Title | Date |
| LIBRIS/31/1 | Erdmut Wizisla, WALTER BENJAMIN AND BERTOLT BRECHT: Correspondence concerning editorial issues | 2003-2009 |
| LIBRIS/31 | Erdmut Wizisla, WALTER BENJAMIN AND BERTOLT BRECHT: THE STORY OF A FRIENDSHIP | 2003-2009 |
| LIBRIS/31/2 | Erdmut Wizisla, WALTER BENJAMIN AND BERTOLT BRECHT: Correspondence and papers concerning reviews and reception | 2005-2009 |
| LIBRIS/3/1 | Bertolt Brecht, WAR PRIMER: Correspondence concerning editorial issues | 1997 |