Humboldt University (OKZ: 00)
- President / Vice-Presidents (OKZ: 0100)
- University Administration (OKZ: 02)
- Administrative Bodies and Committees (OKZ: 03)
- Faculty of Law (OKZ: 10)
- Faculty of Life Sciences (OKZ: 21)
- Faculty of Mathematics and Natural Sciences (OKZ: 33)
- Faculty of Humanities (OKZ: 51)
- Faculty of Language, Literature and Humanities (OKZ: 52)
  Dean / Deputy Dean (OKZ: 5201)
  
  Faculty Management (OKZ: 5202)
  
  Administrative Bodies and Committees (OKZ: 5203)
  
  Department of German Literature (OKZ: 5210)
  
  Department of German Studies and Linguistics (OKZ: 5220)
  
  Department of Northern European Studies (OKZ: 5230)
  
  Department of Romance Literatures and Linguistics (OKZ: 5240)
  
  Department of English and American Studies (OKZ: 5250)
  
  Head of Department (OKZ: 525001)
  
  Sections / Chairs (OKZ: 525010)
  
  English Cultural Sciences and Cultural History (OKZ: 525011)
  
  Modern English Literature (OKZ: 525012)
  
  Contemporary English Literature (OKZ: 525013)
  
  Literature and Culture of North America (OKZ: 525014)
  
  Literature and Cultural Studies of North America (OKZ: 525015)
  
  English Linguistics (OKZ: 525016)
  
  English Language (OKZ: 525017)
  
  Didactics of English (OKZ: 525018)
  
  American Literature and Culture (OKZ: 525019)
  
  Early Modern English Literature and Culture and their Prehistory (OKZ: 525021)
  
  Empiricism of the English Language (OKZ: 525022)
  
  English and American Literature and Culture (Postcolonial Studies) (OKZ: 525024)
  
  English Cultural Studies (OKZ: 525023)
  
  Collaborative Research Centres / Graduate Colleges / Honorary Academic Staff (OKZ: 525080)
  
  Department of Slavic Studies (OKZ: 5260)
  
  Department of Classical Philology (OKZ: 5270)
- Faculty of Humanities and Social Sciences (OKZ: 55)
- Faculty of Theology (OKZ: 60)
- Faculty of Economics and Business Administration (OKZ: 70)
- Center for the Science of Materials Berlin (OKZ: 81)
- Centre for British Studies (OKZ: 82)
- Central Institute Professional School of Education (OKZ: 83)
- Hermann von Helmholtz-Centre for Cultural Techniques (OKZ: 84)
- Integrative Research Institutes (OKZ: 85)
- Excellency Cluster (OKZ: 86)
- Humboldt Graduate School (OKZ: 87)
- Interdisciplinary Research Centres (OKZ: 88)
- Other Interdisciplinary Units (OKZ: 89)
- Central Unit - Language Centre (OKZ: 91)
- Central Unit - University Library (OKZ: 92)
- Central Unit - Computer and Media Service (OKZ: 93)
- Central Unit - Sport and Recreation (OKZ: 94)
- additional Central Institutes (OKZ: 96)
- Institutes "within" the Humboldt-Universität zu Berlin and Non-affiliated Units (OKZ: 99)