Statistical series on subjects ranging from population and land area to production figures for crops and manufactured products. Detailed documentation provides brief histories of the statistical series and source materials.
Has approximately 4,000 databases including key collections such as U.S. Federal Census images & indexes from 1790 to 1930; the Map Center containing more than 1,000 historical maps; American Genealogical Biographical Index; Daughters of the American Revolution Lineage; The Great Migration Begins: Immigrants to New England, 1620-1630; Social Security Death Index; WWI Draft Registration Cards; Federal Slave Narratives; and a strong Civil War collection.
Choson Ilbo (Korea Daily) Archive is a full text online newspaper that includes over 2.6 million articles in Korean. Average of 6,000 pages are added each year.
Integrates authoritative analyses, concise explanations, and historical material to provide a powerful research and reference tool on the American voter, major and minor political parties, campaigns and elections, and historical and modern races for Congress, the presidency, and governorships. Access and download results for presidential elections (back to 1789), congressional elections (House back to 1822 and Senate back to 1908), and gubernatorial elections (back to 1824).
Comprehensive coverage of specific topics such as: optics, laser physics, solid state and semiconductor physics, atom and nuclear physics, and biophysics. Searchable by subject, article and keyword.
Online edition that corresponds to 16 volumes of the print reference. Valuable tool for research and work in areas of probability theory, biostatistics, quality control, and economics. Emphasis on applications of statistical methods in sociology, engineering, computer science, biomedicine, psychology and survey methodology.
Indexes first-person accounts, including oral histories, memoirs, letters and diaries. Coverage is worldwide but content is currently mostly from the U.S. Links to digital full text where available.
Online compilation of excerpts from key historic documents. Documents selected range from presidential speeches, international agreements, and Supreme Court decisions to U.S. governmental reports, scientific findings, and cultural discussions. Excerpts are preceded by a thorough introductions that seek to put the documents into historical context. Search by keyword, or browse by date and topic. Provides references to the full documents for further research.