The collection focuses on events and issues in Israel, notably Israel's relations with the Arab world, and contains correspondence with other left-wing Israeli political parties, minutes, annual reports and other administrative material. There is also some correspondence and administrative material, including minutes and annual reports. The majority of the materials date from the 1980s. There is a significant amount of material related to its publication, Israel Horizons. The collection also holds color and black-and-white photographs from 1937 up to the 1980s. Images include photographs of Kibbutz Ein Hashofet and photographs of meetings from the 1980s from disassembled albums.