Mathematical reviews. (American Mathematical Society).
Mathematical reviews from 1940 onwards. The database also contains references to retro digitalized articles dating back to the early 1800s.
Most bibliographic entries are classified according to the Mathematics Subject Classification.
In addition to bibliographic records, it also contains book reviews.
Zentralblatt MATH (European Mathematical Society)
More comprehensive than MathSciNet when it comes to older literature. Most bibliographic entries are classified according to the Mathematics Subject Classification. Also contains entries from Jahrbuch über die Fortschritte der Mathematik.
Year: 1996-.
Incl. abstracts & cited references (pre-1996: back to 1823 without cited references and only partly abstracts).
Subjects: Science, Health Sciences, Social Sciences and partly Humanities and Art. Includes Medline, Embase, Reaxys.
Year: 1946-.
Subjects: All subjects within Medicine e.g. Health Care, Nutrition, Pharmacology, Anatomy, Biology and Microbiology, Odontology, Veterinary Medicine, Psychiatry, Technical Equipment.
Henrik Hornemann