. "- Evaluating, taking over and indexing the records of the offices required to offer records that are permanently worthy of preservation\r\n- Preservation of the holdings and guaranteeing their usability\r\n- Promoting and facilitating research\r\n- Advising and supporting the public bodies in questions of record keeping and record storage\r\n- Professional supervision of the public archives in the canton\r\n- Taking over documents of private origin where this is important for supplementing the state holdings and the history of Zurich\r\n"@en . .