material efímero

(n.) = ephemera, ephemeral, fugitive material, ephemeral material

Ex. A great deal of ephemera is produced by jobbing printers for individuals and organizations.

Ex. Much potentially valuable historical material is lost to posterity because of the attitude to the collection of primary sources which always gives pride of place to the ephemeral as long as it is compiled by a well-known figure.

Ex. But at the moment we have only such fugitive materials as have appeared in the early issues of the Journal of Documentary Reproduction.

Ex. In actuality every librarian has a different concept of ephemeral materials.

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(n.) = ephemera, ephemeral, fugitive material, ephemeral material

Ex: A great deal of ephemera is produced by jobbing printers for individuals and organizations.

Ex: Much potentially valuable historical material is lost to posterity because of the attitude to the collection of primary sources which always gives pride of place to the ephemeral as long as it is compiled by a well-known figure.

Ex: But at the moment we have only such fugitive materials as have appeared in the early issues of the Journal of Documentary Reproduction.

Ex: In actuality every librarian has a different concept of ephemeral materials.