CE period up to c 1500 3 History and Archaeology 3 General and world history 2 Literature & literary studies 2 Christianity 1 Education 1 European history 1 History 1 History: specific events and topics 1 Literature: history & criticism 1 Medieval history 1 Psychology 1 Religious groups: social & cultural aspects 1 Science: general issues 1 Social groups: religious groups and communities 1 Technology, engineering, agriculture 1 The Arts 1 linguistics 1 mental pain 1 nature-based solutions 1 participatory processes 1 prevention 1 psychache 1 public–private–people partnership (PPPP) 1 social innovation 1 suicidality 1 suicide risk 1