Complex sentence: In 1922 he travelled to Vienna, Austria to examine unpublished material about the painted Neolithic pottery from Schipenitz, Bukowina held in the Prehistoric Department of the Natural History Museum; he published his findings in the 1923 "Journal of the Royal Anthropological Institute".
Split into simpler sentences: In 1922 he travelled to Vienna in Austria where he examined unpublished material about the painted Neolithic pottery from Schipenitz, Bukowina that was held in the Prehistoric Department of the Natural History Museum. He soon published his findings from this visit in the 1923 "Journal of the Royal Anthropological Institute".