A document containing data or information about "primary documents".

A collection of works of various authors or of one author selected for a specific purpose or under specific aspects. Antología	A printed list of documents containing formal descriptions of the documents. Bibliografía	An ordered compilation of bibliographic descriptions and sufficient information to afford access to the documents. Catálogo
A note of reference to a work from which a passage is quoted or to some source material as authority for a statement or proposition. Cita	A list of persons or organizations systematically or alphabetically arranged giving some information about the single units, usually at least the addresses. Directorio	A survey of progress in a particular field of science over a given period. Estudio bibliográfico
An ordered reference list of the contents of a file or document together with references for identification or location of those contents. Indice	Inventario	A list of new acquisitions issued periodically. Lista de adquisiciones
Registros de investigación	Revista bibliográfica