In the context of the planned workshop and book project "The history of heralds in Europe (12th-18th c.)", we have opened a group on Zotero which is a free, easy-to-use tool, offering the opportunity to share and work on a collaborative bibliography. Usually, it takes quite some time to establish a profound bibliography on such a topic as the history of heralds, and often it is also difficult to collect the scattered material. With Zotero, we can share already existing resources and work tog..