Extensive biographies with references and links to related topics. Special indexes offer timelines, birthplace maps, quotations, a directory of female mathematicians, and more. May be searched by time period or by name. Maintained by the School of Mathematics and Statistics at the University of St. Andrews, Scotland.
Collection of primary sources for the study of American social history, featuring books and journals published primarily between 1850 and 1877. From the University of Michigan and Cornell University.
Map of London during the late 16th and early 17th centuries with descriptions of streets, sites, and churches. From the University of Victoria.
Market research reports and supporting documents covering a wide range of industries and consumer habits and interests. Sourced from Ernest Dicther's "Institute for Motivational Research".
Archive of the Mass Observation Project's questionnaires, and raw data responses (in diaries and journals), and reports attempting to catalog the full spectrum of daily life in Britain.
"The web's most extensive mathematics resource" offers detailed information on mathematical concepts and principles. From Wolfram Research, the makers of Mathematica.
Easy to understand articles on health-related topics, from the Mayo Clinic.
Digitized collection of books and magazines from the histories of film, broadcasting, and recorded sound.
Archive documenting the history of nursing and medicinal practices during wartime, with a focus on the American Civil War, the Crimean War, and the First World War (including the outbreak of influenza in 1918).
Images of 600+ health-related advertisements printed in newspapers and magazines from the 1910s to the 1950s. Ads illustrate the variety and evolution of marketing images for a wide range of products, such as: household cleaners, vitamins, pain relievers, and diet aids. Also includes historical documents (i.e. reports, editorials, radio scripts) that relate to the creation and influence of health-related advertisements.