The Paleobiology Database provides researchers with information about the entire fossil record. Data can be downloaded. Tools on the site also let you generate paleomaps, data summary tables, lists of common taxa, first appearances, diversity curves, ecological statistics, time scale confidence intervals, and stratigraphic confidence interval.
An index to the London Times newspaper microfilm collection (AN T5). Page and column references are provided for navigation of print or microfilm. Does not interface with the Times Digital Archive 1785-2008 (London Times) from Gale (1785-1985), which is produced by a competing database publisher.
PANGAEA is an open access library aimed at archiving, publishing and distributing georeferenced data: climatology, oceanography, geology, ecology, and archaeology related data sets. Journal article citations provided for each data set. Data available in numerous formats.
PapersFirst indexes citations of papers presented at conferences worldwide, journal articles, and books. It covers every published congress, symposium, conference, exposition, workshop and meeting received by The British Library Document Supply Center. The database covers a wide variety of subjects discussed at the covered meetings. 1993-present.
PatentScope is a public database of record for PCT international patent applications published by the World Intellectual Property Organization. It contains approximately 1.7 million international applications. WIPO also introduced a new search interface with simple, structured and browse functions, and the option to display search results as tables or graphs. 1978-present.
Contains issued patents and submitted patent applications. Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current US Classification. When searching for specific numbers in the Patent Number field, patent numbers must be seven characters in length, excluding commas. How to view patent images. 1790-present.
Patents from LexisNexis indexes utility, design and plant patents from U.S., Europe and Japan. Some records will display the full text of the patent with links to associated images. Other patent records contain only abstracts. Search by patent number, assignee, or inventor name. 1790-present.
This collection of streaming videos is the digital counterpart to our VHS collection of PBS shows. Complete list of titles. The collection covers a broad range of disciplines in the humanities, arts, social sciences and sciences, but is particularly strong in American history and American studies.
Peace Research Abstracts indexes abstracts and some full text of journal articles and book reviews on conflict resolutions, international affairs, peace psychology, and other areas of peace research. You can do cited reference searches and limit to scholarly sources. 1964-present.
People Search includes biographies from reference and news sources, including historical and political figures, entertainers, deceased people featured in various Who's Who publications, and people profiled in major news publications within the last two years. 1985-present, plus a retrospective of major 20th century people.
PIO is an index of citations to periodical articles in 37 key subject areas in the humanities and social sciences and currently indexes over 15 million articles. Some citations are linked to full text in JSTOR. 1665-1995.
Perseus Digital Library covers the history, literature and culture of the Greco-Roman world, plus Arabic materials, Germanic materials, 19th-century America, the Renaissance, and Civil War issues of the Richmond Times-Dispatch. It collects texts, images, datasets and other primary materials. The database assembles and structures encyclopedias, maps, grammars, dictionaries and other reference works. 850,000 reference articles provide background on 450,000 people, places, organizations, dictionary definitions, grammatical functions and other topics.
The Philosopher's Index indexes citations and abstracts from journal articles, books, chapters/essays, book reviews in the fields of philosophy, aesthetics, metaphysics, social philosophy, and axiology. You can limit to peer-reviewed sources. 1940-present
Physical Education Index indexes abstracts and citations from journal articles, conference papers, books, reports, dissertations, and patents in the fields of education, medicine and life sciences, and business. You can limit to peer-reviewed sources. 1970-present.
Pidgeon Digital provides audiovisual presentations on architecture and design.
Plant Management Network indexes the full text of thousands of fact sheets, newsletters, product listings, conference papers, and training resources on applied plant science and other agricultural disciplines, plus articles from several plant science journals. Full text provides as PDFs. Also includes an image database of field crops, vegetables, fruits, trees, tropical plants, and turf grass. 2000-present.
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. Fact Sheets provide brief descriptions of a plant, its uses, and cultural recommendations. Plant Guides are similar but more extensive. Both are provided as PDFs. The database also includes an image gallery of photos and line drawings of U.S. plants plus cultivated or foreign taxa.
PolicyArchive provides summaries and full text (in PDF) of more than 12,000 documents on public policy topics from 220 think tanks, university research centers, and government agencies. Emphasis is on US domestic policies; for similar content addressing international affairs, see CIAO. Searchable and browseable by topic, author, funder, and publishing body.
The Political Handbook of the World provides information on the major aspects of each country's government and political party system. Country profiles include key facts, government and political history, current issues, political parties and organizations, legislatures and cabinets, and communications. It also profiles 120 intergovernmental organizations, such as OPEC, NATO, the WTO, world and regional banks, and the agencies and specialized bodies of the United Nations. Older editions available in print.
Political Science Complete indexes citations, abstracts, and full text of journal articles, conference papers, reference books, country reports, interviews and speeches, and book reviews on all aspects of political science. You can do cited reference searches and limit to scholarly sources. 1887-present.
Pollution Abstracts indexes citations and abstracts from conference proceedings, journal articles, books, reports, and dissertations in the fields of air pollution, marine pollution, waste management, land pollution, toxicology and health, and radiation. You can limit to peer-reviewed sources. 1981-present.
Poole's Index to Periodical Literature indexes citations of over 450,000 articles from Anglo-American periodicals. 1803-1906.
POPLINE indexes citations and abstracts of articles, reports, books, and unpublished reports in the fields of population, family planning, and related health issues. You can limit to peer-reviewed sources. 1827-present; majority of records 1970-present.
The PopSet database contains related nucleotide sequences that originate from comparative studies: phylogenetic, population, environmental (ecosystem), and mutational. Each record in the database is a set of nucleotide sequences representing the same molecule from the same species (population, mutation), different identifiable species (phylogenetic), or anonymous species from the same biological community (ecosystem).
The Scripps Library, through cooperation with various presidential libraries, has been collecting some of the most important presidential speeches in American history. These speeches all have transcripts, and some are available in their entirety in audio or video. 1789-present.
The Prints and Photographs Online Catalog contains catalog records and digital images for for photographs, fine and popular prints and drawings, posters, and architectural and engineering drawings held by the Library of Congress. 1400s-present.
The Project on Human Development in Chicago Neighborhoods Provides data sets and the social science and education aspects about urban Chicago. It also indexes article citations about these issues. 1994-present.
Advanced Technologies & Aerospace Collection indexes citations, abstracts, and full text of journal articles, books, conference papers, technical reports, and patents on all aspects of aeronautics, technology, computing, meteorology, and telecommunications. Full text journal articles and books provided as HTML and PDF. You can limit to peer-reviewed sources. 1962-present.
ProQuest Recent Periodicals offers cross searching of full-text databases, including ABI/INFORM from ProQuest (business topics), Ethnic NewsWatch from ProQuest (the ethnic press worldwide), and GenderWatch from ProQuest (gender issues). Full text provided as PDF. You can limit to peer-reviewed sources. 1970-present.
ProQuest Statistical Insight indexes statistical information produced by U.S. federal agencies, states, private organizations, and major intergovernmental organizations. PQSI provides descriptive abstracts, detailed indexing, full-text PDFs of source documents and tables, and downloadable table data in spreadsheet formats. 1970s-present.
The Protein Database is a collection of sequences from several sources, including translations from annotated coding regions in GenBank, RefSeq and TPA, as well as records from SwissProt, PIR, PRF, and PDB. Protein sequences are the fundamental determinants of biological structure and function.
PsycARTICLES indexes citations, abstracts, and full text from journals published by the American Psychological Association, the APA Educational Publishing Foundation, the Canadian Psychological Association, and Hogrefe Publishing Group. Full text provided as HTML and PDF. You can limit to age groups, classification codes, methodology, and population group. 1894-present.
PsycBOOKS provides access to over 2500 full-text, scholarly books, plus thousands of book chapters and the complete Encyclopedia of Psychology. Each chapter is available as a PDF. You can limit to age group, classification code, methodology, population group, and audience. 1597-present.
The Psychology & Behavioral Sciences Collection database indexes citations, abstracts, and full text from journal articles, magazines, and book reviews in the field of psychiatry and psychology, anthropology, emotional and behavioral characteristics. Full-text articles are available in HTML and PDF. You can limit to peer-reviewed sources. 1930-present.
PsycINFO indexes citations, abstracts, cited references, and some full text from articles, books, dissertations, and reviews on all aspects of psychology. Full text provided as HTML and PDF. You can limit to peer-reviewed sources, age group, classification code, methodology, and population group. 1840-present.
The PubChem BioAssay Database contains bioactivity screens of chemical substances described in PubChem Substance. It provides searchable descriptions of each bioassay, including descriptions of the conditions and readouts specific to that screening procedure.
The PubChem Compounds Database contains validated chemical depiction information provided to describe substances in PubChem Substance. Structures stored within PubChem Compounds are pre-clustered and cross-referenced by identity and similarity groups. Additionally, calculated properties and descriptors are available for searching and filtering of chemical structures.
The PubChem Substances Database contains descriptions of chemical samples, from a variety of sources, and links to PubMed citations, protein 3D structures, and biological screening results that are available in PubChem BioAssay. If the contents of a chemical sample are known, the description includes links to PubChem Compound.