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Publications written by: Helgaker, T. T.Helgaker, Trygve
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Browse Subject Headings
- > Fiction & related items
- > Children's, young adult & educational
- > Bibles
- > Biography & True Stories
- > CKB143000
- > Comics & Graphic Novels
- > Computing & information technology
- > Design
- > Earth sciences, geography, environment, planning
- > Economics, finance, business & management
- > EDU060060
- > EDU063000
- > EDU064000
- > EDU065000
- > English language teaching (ELT)
- > FAM065000
- > FIC009160
- > FIC014100
- > FIC027600
- > FIC027730
- > FIC153000
- > FIC157000
- > FIC158000
- > GAR026000
- > GAR034000
- > GAR035000
- > GAR037000
- > GAR038000
- > GAR039000
- > GAR042000
- > GAR043000
- > GAR047000
- > GAR048000
- > GAR049000
- > HEA003050
- > HEA064000
- > Health & personal development
- > HIS026050
- > HIS073000
- > Humanities
- > JNF018070
- > JNF018080
- > JUV011100
- > JUV039300
- > JUV094000
- > Language
- > Law
- > Lifestyle, sport & leisure
- > Literature & literary studies
- > Mathematics & science
- > Medicine
- > MUS057000
- > NAT045060
- > NAT045070
- > NAT045080
- > NAT049010
- > NAT049020
- > NAT049030
- > NAT049040
- > NAT049100
- > NAT049110
- > NAT049120
- > NAT049130
- > NAT049140
- > NAT049150
- > NAT049190
- > NAT053000
- > Nature / General
- > OCC048000
- > OCC049000
- > OCC052000
- > OCC053000
- > OCC054000
- > OCC056000
- > OCC057000
- > PHI051000
- > POL042070
- > POL079000
- > POL080000
- > POL081000
- > PSY076000
- > REF036000
- > Reference, information & interdisciplinary subjects
- > REL136000
- > SCI105000
- > SEL040000
- > SOC078000
- > SOC079000
- > SOC080000
- > SOC081000
- > SOC082000
- > Society & social sciences
- > TEC076000
- > Technology, engineering, agriculture
- > The arts