1969 | Excavation of Bronze Age cemetery at Mokrin, Vojvodina, Yugoslavia. |
1970 | Excavation of multicomponent mortuary complex at Velebit, Yugoslavia. |
1971 | Study of the Krapina Neandertals and other Croatian fossil hominids in Zagreb. |
1973 | Study of fossil hominid remains in Germany, Czechoslovakia, Greece, England, and Croatia with special reference to the Central European specimens. |
1976 | Analysis of African Middle and Late Stone Age skeletal material in England, Kenya, and Tanzania and Plio-Pleistocene hominid remains from Kenya and Tanzania at the National Museum of Kenya, Nairobi. |
1978 | Excavation of Vindija Cave, Croatia, and study of hominid fossil remains from Croatia, Czechoslovakia, Hungary, and Austria. |
1979 | Examination of Upper Pleistocene fossil hominids in the Musèe de l'Homme, Institut de Paléontologie Humaine, and the Université de Paris VI, Paris, France. |
1982-1983 | Study of fossil hominid remains from Belgium, Germany, France, and Croatia, with emphasis on the German specimens. |
1985 | Study of hominid fossil remains in Austria, Czechoslovakia and Croatia. |
1986 | Study of fossil hominid remains in Austria, Czechoslovakia, Germany, Croatia, Belgium and France, with emphasis on the Mladeč hominids. |
1987 | Study of Mladeč hominid remains in Austria. |
1988 | Study of Croatian fossil hominids. |
1991 | Study of the Vogelherd (Stetten) hominid remains, Germany |
1993 | Study of Plio-Pleistocene hominids in South Africa and Middle and Late Pleistocene hominids in South Africa and Tanzania. |
1996 | Study of Middle and Late Pleistocene human remains in Israel. |
1997- 2004 | Excavation of the Mousterian site of Mujina Pećina in Croatia |
1998 | Study of Late Pleistocene South African fossil remains. |
2000-present | Collaboration on human remains from Paleolithic sites – Universität Tübungen, Germany |
2000 | Study of Vogelherd and African fossil remains, Germany |
2001, 2002, 2004, 2006 | Study of Neandertal remains from Feldhofer Grotte, Germany |
2005-present | Excavation of the Paleolithic site of Zala in Croatia |
2010 | Analysis of Syrian Epipaleolithic remains in Tübingen, Germany |