2017

• Hernæs, Per Oluf. (2017) I Akwamuimperiets vold 1700-30. Nye magtforhold. Gads Forlag
  Academic chapter/article/Conference paper
• Hernæs, Per Oluf. (2017) En kamp om fodfæste 1660-1700. I afrikanernes land. Gads Forlag
  Academic chapter/article/Conference paper
• Hernæs, Per Oluf. (2017) Konturerne af et Dansk Guinea 1770-1800. Gads Forlag
  Academic chapter/article/Conference paper
• Hernæs, Per Oluf. (2017) Afrikansk magtkamp, dansk ekspansion og slavehandel 1730-70. Gads Forlag
  Academic chapter/article/Conference paper
• Hernæs, Per Oluf. (2017) Guld, slaver og kolonisering. Gads Forlag
  Academic chapter/article/Conference paper
• Hernæs, Per Oluf. (2017) Vestafrika. Forterne på Guldkysten. Gads Forlag Gads Forlag
  Academic anthology/Conference proceedings
• Hernæs, Per Oluf. (2017) Det første fremstød: Frederiksborg i kongeriget Fetu. Gads Forlag
  Academic chapter/article/Conference paper

2015

• Hernæs, Per Oluf. (2015) Slave trade, slave plantations and Danish colonialism. Brill Academic Publishers
  Academic chapter/article/Conference paper

2013

• Hove, Jon Olav; Hernæs, Per Oluf; Osei-Tutu, J. Kwadwo. (2013) Development and Decolonisation: The Gold Coast (Ghana), 1940-1957. Norwegian University of Science and Technology
  Doctoral dissertation

2012

• Gebrelibanos, Tsegay Berhe; Hernæs, Per Oluf; Ege, Svein. (2012) The Political Economy of Salt Production and Arhotot Trading System in Northeastern Ethiopia (c. 1831-2005). Doktoravhandlinger ved NTNU (2012:186)
  Doctoral dissertation
• Hernæs, Per Oluf. (2012) The 'Traditional' and the 'Modern' in West Africa. Sub-Saharan Publishers
  Academic chapter/article/Conference paper

2011

• Hernæs, Per Oluf. (2011) Friederichsnopel: A Danish Settler Colony in Akuapem 1788-92. Transactions of the Historical Society of Ghana
  Academic article

2010

• Hernæs, Per Oluf. (2010) Governor Edward Carstensen on the Gold Coast. A Historical Background. Sub-Saharan Publishers
  Academic chapter/article/Conference paper

2009

• Hernæs, Per Oluf. (2009) The Abolition of the Danish Slave Trade. The Edict of 1792. Scandinavian Journal of History
  Book review
• Hernæs, Per Oluf. (2009) Historie og politikk gjennom femti år. Institutt for historie og klassiske fag, NTNU
  Academic anthology/Conference proceedings
• Hernæs, Per Oluf. (2009) Anders Kirkhusmo: Fra det lokale og regionale til det nasjonale. Utvalgte artikler. Institutt for historie og klassiske fag, NTNU
  Academic anthology/Conference proceedings

2007

• Hernæs, Per Oluf. (2007) A sombre affair: The story of a slave ship mutiny and the destiny of the mutineers upon their return to Africa. Transactions of the Historical Society of Ghana
  Academic article

2006

• Hernæs, Per Oluf. (2006) A Symbol of Power: Christiansborg Castle in Ghanaian History. Transactions of the Historical Society of Ghana
  Academic article
• Hernæs, Per Oluf. (2006) Ole Justesens Danish Sources for the History of Ghana 1657-1754. Historisk Tidsskrift (Danmark)
  Academic article
• Hernæs, Per Oluf. (2006) Book review: William Gervase Clarence Smith and Steven Topic (eds),The Global Coffee Economy in Africa,America, Asia, and Latin America, 1500-1989. Scandinavian Economic History Review
  Book review
• Krøvel, Roy Gunnar; Hernæs, Per Oluf. (2006) Fra gerilja til globale solidaritetsnettverk i Chiapas, Mexico. Doktoravhandlinger ved NTNU (197)
  Doctoral dissertation
• Hernæs, Per Oluf. (2006) Forced labour and European trade on the Gold Coast in the 18th and 19th centuries: the slave labour of Christiansborg Castle. Campo das Letras
  Academic chapter/article/Conference paper

2005

• Hernæs, Per Oluf. (2005) The 'traditional' and the 'modern' in West African (Ghanaian)history: Case studies on co-existence and interaction. Skriftserie (50)
  Academic anthology/Conference proceedings
• Hernæs, Per Oluf. (2005) The 'traditional' and the 'modern': An introductory essay.
  Academic chapter/article/Conference paper
• Hernæs, Per. (2005) THE 'TRADITIONAL' AND THE 'MODERN' IN WEST AFRICAN (GHANAIAN) HISTORY. Case studies on co-existence and interaction. Skriftserie (50)
  Academic anthology/Conference proceedings

2004

• Hernæs, Per Oluf. (2004) A Danish Jew in West Africa: Wulff Joseph Wulff. Biography and Letters. (translation and commentary by Selena Axelrod Winsnes). Skriftserie (46)
  Academic commentary
• Hernæs, Per Oluf. (2004) Transactions of the Historical Society of Ghana. Transacations of the Historical Society of Ghana (1)
  Academic anthology/Conference proceedings

2003

• Hernæs, Per Oluf. (2003) African Power Struggle and European Opportunity: Danish Expansion on the Early 18th - Century Gold Coast. Transactions of the Historical Society of Ghana
  Academic article

2002

• Iversen, Tore Olav; Hernæs, Per Oluf. (2002) Slavery Across Time and Space. Studies in Slavery in Medieval Europe and Africa. Historisk institutt
  Report
• Hernæs, Per Oluf. (2002) Den balstyrige bergenser på Gullkysten.
  Academic chapter/article/Conference paper
• Hernæs, Per Oluf. (2002) 'Fort slavery' at Christiansborg on the Gold Coast: Wage Labour in the making?.
  Academic chapter/article/Conference paper

1998

• Hernæs, Per Oluf. (1998) Asafo History: An Introduction. Transactions of the Historical Society of Ghana
  Academic article
• Hernæs, Per Oluf. (1998) Dansk-norske handelsutposter på Gullkysten i slavehandelens æra. Årbok. Norsk Maritimt Museum
  Academic article
• Hernæs, Per Oluf. (1998) Slaves, Danes and African Coast Society. Trondheim studies in history
  Academic monograph

1996

• Hernæs, Per; Everaert, J.; Parmentier, J.. (1996) European fort communities on the Gold Coast in the era of the slave trade. Shipping, Factories and colonization
  Report

1994

• Hernæs, Per Oluf. (1994) En mosaikk om slavehandel og afro-europeisk samkvem i 'før-statistisk' og før-kolonial tid. Historisk Tidsskrift (Norge)
  Academic article
• Hernæs, Per; Skarstein, Rune. (1994) Når samspillet svikter og teknologioverføring faller i fisk: Norsk eksport av fiskeriteknologi til Ghana. Rapporter fra SMU (5/94)
  Report

1991

• Hernæs, Per. (1991) Modernizing Ghanian Fisheries: The Need for 'Social Carriers' of Technology. Gyldendal Akademisk Gyldendal Akademisk
  Academic monograph
• Hernæs, Per Oluf. (1991) Modernizing Ghanaian Fisheries: The Need for "Social Carriers" of Technology. Gyldendal Akademisk Gyldendal Akademisk
  Academic monograph

1986

• Hernæs, Per Oluf. (1986) The Zulu Kingdom, Norwegian Missionaries and British Imperialism 1845-1879.
  Academic chapter/article/Conference paper