Complex sentence: The Dictionary was first published as a double issue of the journal "Archaeology and Anthropology" in 1989, and was updated and republished by the Walter Roth Museum of Anthropology in 1994.
Split into simpler sentences: The Dictionary was first published as a double issue of the journal "Archaeology and Anthropology" in 1989. An updated edition was published by the Walter Roth Museum of Anthropology in 1994.