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)
  Dean / Deputy Dean (OKZ: 2101)
  
  Administrative Bodies and Committees (OKZ: 2103)
  
  Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences (OKZ: 2111)
  
  Head of Department (OKZ: 211101)
  
  Sections / Chairs (OKZ: 211110)
  
  Plant Cultivation (OKZ: 211111)
  
  Soils and Environmental Science (OKZ: 211113)
  
  Plant Nutrition (OKZ: 211118)
  
  Physiology of Plant Nutrition (OKZ: 211123)
  
  Strategies for the Use of Bioresources (OKZ: 211125)
  
  Land Use Systems (OKZ: 211126)
  
  Landscape Biogeochemistry (S) (OKZ: 211127)
  
  Research Station Open Area (OKZ: 211129)
  
  Phytomedicine (OKZ: 211132)
  
  Section Biological Systems Technology (OKZ: 211133)
  
  Urban Plant Ecophysiology (OKZ: 211134)
  
  Controlled Environment Horticulture (OKZ: 211135)
  
  Intensive Plant Food Systems (OKZ: 211136)
  
  Agricultural Technology in Bio-Economic Systems (OKZ: 211137)
  
  Research Station Glasshouse (OKZ: 211139)
  
  Animal Husbandry and Ethology (OKZ: 211141)
  
  Animal Breeding and Molecular Genetics (OKZ: 211142)
  
  Biology and Ecology of Fishes (OKZ: 211144)
  
  Integrative Fisheries Management (OKZ: 211145)
  
  Special Zoology (OKZ: 211146)
  
  Research Station Animals (OKZ: 211159)
  
  Agricultural and Food Policy (OKZ: 211161)
  
  Agricultural Farm Management (OKZ: 211162)
  
  International Agricultural Trade and Development (OKZ: 211163)
  
  Economics of Horticultural Production (OKZ: 211165)
  
  Resource Economics (OKZ: 211166)
  
  Economics and Politics of Rural Areas (OKZ: 211167)
  
  Food Chain Management (OKZ: 211168)
  
  Economic rurality Associations (OKZ: 211169)
  
  Agricultural Ecology (OKZ: 211171)
  
  Gender and Globalisation, particularly with regard to Transformation Processes in Rural Area (OKZ: 211172)
  
  Quantitative Agricultural Economics especially Applied Econometrics (OKZ: 211173)
  
  Sustainable Land Use and Climate Change (OKZ: 211175)
  
  BioMaterialities (OKZ: 211147)
  
  BIOPOLISTA - Bioeconomy policy implementation in bioeconomy states (OKZ: 211160)
  
  Economic Development and Food Security (S) (OKZ: 211164)
  
  Collaborative Research Centres / Graduate Colleges / Honorary Academic Staff (OKZ: 211180)
  
  Technical Support / Services / Laboratories (OKZ: 211190)
  
  Department of Biology (OKZ: 2112)
  
  Department of Psychology (OKZ: 2113)
  
  additional Scientific Units (OKZ: 2180)
  
  Institutes "within" the Humboldt Universität zu Berlin and Non-affiliated Units (OKZ: 2199)
- Faculty of Mathematics and Natural Sciences (OKZ: 33)
- Faculty of Humanities (OKZ: 51)
- Faculty of Language, Literature and Humanities (OKZ: 52)
- 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)