Civil Rights
Movements, leaders, victories and the continuing fight for equality.
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Explore the people, places, events, achievements, struggles and stories that shaped our journey.
Movements, leaders, victories and the continuing fight for equality.
Innovation, patents, science, technology and world-changing contributions.
Pioneers, champions, Negro Leagues, records, activism and excellence.
Meet the people whose lives, choices and achievements shaped the journey.
Black towns, communities, institutions and places where history happened.
Moments that changed communities, movements, institutions and the nation.
Mansa Musa was the ruler of the Mali Empire in West Africa. Details recorded here should be sourced; unknown information is left blank.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
A tertiary source is an index or textual consolidation of already published primary and secondary sources[1] that does not provide additional interpretations or analysis of the sources.[2][3] Some tertiary sources can be used as an aid to find key (seminal) sources, key terms, general common knowledge[4] and established mainstream science on a topic. The exact definition of tertiary varies by academic field.
Academic research standards generally do not accept tertiary sources such as encyclopedias as citations,[4] although survey articles are frequently cited rather than the original publication.
As is also the case with distinguishing primary and secondary sources in some disciplines,[5] there is not always a clear distinguishing line between secondary and tertiary sources. Depending on the topic of research, a scholar may use a bibliography, dictionary, or encyclopedia as either a tertiary or a secondary source.[1] This causes some difficulty in defining many sources as either one type or the other.
In some academic disciplines, the differentiation between a secondary and tertiary source is relative.[1][3]
In the United Nations International Scientific Information System (UNISIST) model, a secondary source is a bibliography, whereas a tertiary source is a synthesis of primary sources.[6]
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Tertiary sources can come in book form or as an online resource. Tertiary sources in book form are frequently organized in alphabetical order, whereas an online tertiary source may be searchable by keyword.[7]
Examples of tertiary sources include: reference books, encyclopedias, dictionaries, some textbooks,[1][7] abstracts, directories, factbooks, handbooks, manuals[8] and compendia. Indexes, bibliographies, concordances, and databases are aggregates of primary and secondary sources and therefore often considered tertiary sources. They may also serve as a point of access to the full or partial text of primary and secondary sources. Almanacs, travel guides, field guides, and timelines are also examples of tertiary sources.
Tertiary sources attempt to summarize, collect, and consolidate the source materials into an overview without adding analysis and synthesis of new conclusions.
Wikipedia is a tertiary source.[9][irrelevant citation]
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Source: Wikipedia. Article content is retrieved live through the MediaWiki API.
A tertiary source is an index or textual consolidation of already published primary and secondary sources that does not provide additional interpretations or analysis of the sources. Some tertiary sources can be used as an aid to find key (seminal) sources, key terms, general common knowledge and established mainstream science on a topic. The exact definition of tertiary varies by academic field. Academic research standards generally do not accept tertiary sources such as encyclopedias as citations, although survey articles are frequently cited rather than the original publication.
In scholarship, a secondary source is a document or recording that relates or discusses information originally presented elsewhere. A secondary source contrasts with a primary, or original, source of the information being discussed. A primary source can be a person with direct knowledge of a situation or it may be a document created by such a person. A secondary source is one that gives information about a primary source. In a secondary source, the original information is selected, modified and arranged in a suitable format. Secondary sources involve generalization, analysis, interpretation, or evaluation of the original information. The most accurate classification for any given source is not always obvious. "Primary" and "secondary" are relative terms, and some sources may be classified as primary or secondary, depending on how they are used. A third level, the tertiary source, such as an encyclopedia or dictionary, resembles a secondary source in that it contains analysis, but a tertiary source has a different purpose: it aims to elaborate a broad introductory overview of the topic at hand.
Tertiary (from Latin, meaning "third" or "of the third degree/order") may refer to: Tertiary period, an obsolete geologic period spanning from 66 to 2.6 million years ago Tertiary (chemistry), a term describing bonding patterns in organic chemistry Tertiary care, specialized consultative healthcare Tertiary color, a color made up by mixing one primary color with one secondary color, in a given color space Tertiary consumer, in ecology Tertiary education, educational levels following the completion of secondary education such as university or trade school Tertiary feathers or tertials, feathers attached to humerus or inner portion of the wings of birds Tertiary sector of the economy, or the service sector Tertiary source, in research Tertiary stress, a proposed level of stress in phonetics In biochemistry, the tertiary structure of a protein is its overall shape, also known as its fold Tertiary, a member of a third order religious group
A historical source encompasses "every kind of evidence that human beings have left of their past activities — the written word and spoken word, the shape of the landscape and the material artefact, the fine arts as well as photography and film." While the range of potential historical sources has expanded to include many non-documentary sources, nevertheless "the study of history has nearly always been based squarely on what the historian can read in documents or hear from informants". Historical sources are usually divided into primary and secondary, though some historians also refer to tertiary sources.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Madam C.J. Walker
