Indexes and abstracts citations in research journals across the disciplinary spectrum. Online version of: Arts and humanities citation index (1975-present); Science citation index (1900-present); and Social sciences citation index (1956-present).

Indexes and abstracts citations in research journals, books, conference papers, and more from 1864 to the present. It covers research in behavior, biodiversity, conservation, ecology, genetics, habitat, morphology, nomenclature, parasitology, physiology, reproduction, taxonomy, and zoogeography. It also provides organismal systematic and taxonomic information and alignment of Zoological Record Thesaurus that goes back to 1864.  

Cancelled due to budget constraints. Access retained to 1864-2017.