Lista de encabezamientos de materia de la Biblioteca del Congreso de los Estados Unidos características generales

摘要

The article describes the historical aspects and principles of the Library of Congress Subject Headings (LCSH). It shows their several formats and features adopted by their subject headings, its several subdivisions and syndetic structure. It also provides the citation order of subject headings and a Bilindex description, a list of bilingual Spanish-English subject headings equivalent to LCSH.