§ Þórólfur Þórlindsson, Kjartan Ólafsson, Viðar Halldórsson og Inga Dóra Sigfúsdóttir (2000). Félagsstarf og frístundir íslenskra unglinga (2000). Reykjavík: Æskan.
§ Þórólfur Þórlindsson, Inga Dóra Sigfúsdóttir, Jón Gunnar Bernburg og Viðar Halldórsson (1998). Vímuefnaneysla ungs fólks: Umhverfi og aðstæður (1998). Reykjavík: Rannsóknastofnun uppeldis- og menntamála.
Ritrýndar rannsóknargreinar:
§ Halldorsson, V. & Thorlindsson, T. (under review). The emergence of a successful sport tradition: A case study. Manuscript currently under review in The International Journal of the History of Sport. (ISI reviewed journal)
§ Halldorsson, V., Thorlindsson, T. & Sigfusdottir, ID. (under review). Adolescent sport participation and alcohol use: The importance of sport organization and the wider social context. Manuscript currently under review in International Review for the Sociology of Sport (ISI reviewed journal)
§ Halldorsson, V., Thorlindsson, T. & Katovich, M. (forthcoming). The role of informal sport: The local context and the development of elite athletes. Accepted for publication in Studies in Symbolic Interaction (vol.42). (ISI reviewed journal)
§ Halldorsson, V., Helgason, A. & Thorlindsson, T. (2012). Attitudes, motivation and commitment amongst Icelandic elite athletes. International Journal of Sport Psychology, 43: 241-254. (ISI reviewed journal)
§ Thorlindsson, T. & Halldorsson, V. (2010). Sport and the use of anabolic androgenic steroids among Icelandic high school students: A critical test of three perspectives. Substance Abuse, Treatment, Prevention and Policy 5:32. (ISI reviewed journal)