Main group 1

• Campbell, Lyle, Historical linguistics: an introduction, Edinburgh, Edinburgh Univ. Press, cop. 1998Compulsory*
• Trask, R. L., Historical linguistics, London, Arnold, 1996Compulsory*

Main group 2

• Hock, Hans Henrich, Principles of historical linguistics, 2. rev. and updated ed., Berlin, Mouton de Gruyter, cop. 1991

Main group 3

• Fortson, Benjamin W., Indo-European language and culture: an introduction, Oxford, Blackwell, 2004Compulsory*
• Mallory, J. P.; Adams, Douglas Q., The Oxford introduction to Proto-Indo-European and The Proto-Indo-European world, Oxford, Oxford University Press, 2006Compulsory*

Main group 4

• Encyclopedia of Indo-European culture, London, Fitzroy Dearborn, 1997
• Mallory, J. P., In search of the Indo-Europeans: language, archaeology and myth, London, Thames and Hudson, cop. 1989
• The Indo-European languages: edited by Anna Giacalone Ramat and Paul Ramat, London, Routledge, 1998

Main group 5

• Fortson, Benjamin W., Indo-European language and culture: an introduction, Oxford, Blackwell, 2004Compulsory*
• Watkins, Proto-Indo-European: Comparison and Reconstruction, Part of: The Indo-European languages: edited by Anna Giacalone Ramat and Paul Ramat, London, Routledge, 1998, p. 25–73Compulsory*

Main group 6

• Tichy, Eva, A survey of Proto-Indo-European, Bremen, Hempen, 2006
• Meier-Brügger, Michael, Indo-European linguistics, Berlin ;a New York, de Gruyter, 2003

Main group 8

• Dahl, Östen, Grammatik., 2. uppl., Lund, Studentlitteratur, 2003

* Compulsory