Records of the Secretariat, which include documents from General Secretaries, Assistant General Secretaries and Presidents; financial records; Nominating Committee records; IAU Commissions and symposia; Working Group on Lunar Nomenclature; member organizations and others having relationships with IAU; minutes of the Executive Committee meetings and Officers' meetings; IAU Circulars and Information Bulletins; Assembly Journals; Transactions of the IAU. Copies of documents pertinent to the history of the IAU from other archives.