Zentralblatt MATH » More info
The ZMATH Database contains about 2.8 million entries drawn from about 3500 journals and 1100 serials. The date range is from 1868 to present. The database is edited by the European Mathematical Society, FIZ Karlsruhe, and Heidelberger Akademie der Wissenschaften.
Zephyr » More info
International merger and acquisition (M&A), initial public offering (IPO) and venture capital (VC) data with links to company information. Provided by Bureau van Dijk.
Zoological Record » More info
Zoological Record indexes more than 5,000 serials, as well as books, conferences, and reports. It includes all aspects of animal research, including ecology, biodiversity, evolution, physiology, taxonomy, etc.