Primary source

Definition and stakes

James L. Harner,  Literary Research Guide — Foreign Language Literatures (2017)

“ Entries are organized by type of resource or topic, with chapters on general bibliographies, abstracts and indexes, review journals, periodicals, general dictionaries and encyclopedias, general Internet resources, biographical works, history, primary sources in translation, geography, art and archaeology, language, general works on literature, genres, Greek authors, Latin authors, philosophy, religion and mythology, related disciplines, scholarly societies, research centers, and directories. ”
Source: Wikisource

Portrait of John Stuart Mill John Stuart Mill,  Essays on some unsettled Questions of Political Economy

“ Now, in whatever science there are systematic differences of opinion—which is as much as to say, in all the moral or mental sciences, and in Political Economy among the rest; in whatever science there exist, among those who have attended to the subject, what are commonly called differences of principle, as distinguished from differences of matter-of-fact or detail,—the cause will be found to be, a difference in their conceptions of the philosophic method of the science. ”
Source: Gutenberg

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