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The Cambridge Structural Database (CSD) contains structural information on over 330,000 carbon containing molecules (<1000 atoms) and over 366,000 structures, including organics, compounds of main group elements, organometallics and metal complexes. There is a small overlap between the CSD and the Inorganic Crystal Structure Database, in the area of molecular inorganics. See also WebCSD.
Encyclopedia of Reagents for Organic Synthesis: systematic and exhaustive coverage of reagents (both classical and new) used in organic chemistry. Can be searched by browsing through an A-Z list of reagent names, by entry author, or by structure/reaction. Entries include include information on physical data, structure, preparation, and safety.
Covers the North American geology from 1785+ and world geology from 1933+; includes references to U.S. Geological Survey publications, theses & doctoral dissertations, books, maps, reports, as well as literature from more than 3,500 journals
Provides fulltext access to IEEE transactions, journals, magazines since 1988 (with some content back to 1952), conference proceedings since 1988 (with some content back to 1952), IEEE Standards and IEE journals, letters, magazines, and conference proceedings since 1988. See their Self-paced Tutorials. mobile access
Indexes MEDLINE, selected additional life sciences journals, and the NCBI Bookshelf. Coverage is generally 1946-present (based on MEDLINE), with selected coverage back to 1809. Entries include links to MeSH terms and other NCBI resources, including molecular structure, DNA sequence, and protein sequence databases, as well as to PMC and other OA sources where available. This custom link will also include CaltechConnect functionality to access full text or request via DocuServe.
Reaxys is a web-based search and retrieval system for chemical compounds, bibliographic data and chemical reactions. It is based on Beilstein, Gmelin and an "Organic" Patent Database (US 1976+ and EP, WO 1978+)
LibGuide with information on how to register to use SciFinder at Caltech. SciFinder is the interface to Chemical Abstracts Service's databases including Chemical Abstracts/CAPLUS, CAS Registry file, CASREACT (organic/organometallic reactions), patents, and chemical suppliers.
African American Newspapers, Series 1 and 2, 1827-1998, provides online access to more than 350 U.S. newspapers chronicling a century and a half of the African American experience. This unique collection, which includes historically significant papers from more than 35 states, features many rare 19th-century titles. Newly digitized, these newspapers published by or for African Americans can now be browsed and searched as never before.
The Field Guides are written for geological field trips held at GSA conferences and other organizations' meetings and contain illustrations with maps and road logs. The Archive covers volume 1 (1999) to volume 44 (2016).
HeinOnline is the world’s largest fully searchable, image-based government document and legal research database. It contains comprehensive coverage from inception of both U.S. statutory materials and more than 2,300 scholarly journals, all of the world’s constitutions, all U.S. treaties, collections of classic treatises and presidential documents, and access to the full text of state and federal case law powered by Fastcase.