García López, FátimaMartínez Cardama, Sara2020-12-112020-12-112020Journal of Librarianship and Information Science0961-0006https://hdl.handle.net/10016/31580The Internet archives kept by heritage libraries are analysed, focusing specifically on that new type of expression characteristic of web culture and digital folklore, the meme. Five paradigmatic examples of heritage institutions engaging in web archive initiatives are explored: the Library of Congress, British Library, Bibliothèque Nationale de France, Biblioteca Nacional de España and National Library of Australia. Specific assessment categories are defined for the study. The findings reveal a lack of collection policies for such representative objects of today's mass culture and identify the challenges both for the custodial institutions and for research in the future.10eng© The Author(s) 2019Digital CultureEphemeraHeritage LibrariesMemesPreservationWeb Archivingresearch articleBiblioteconomía y Documentaciónhttps://doi.org/10.1177/0961000619882070open access8953904Journal of Librarianship and Information Science, Vol. 52, N.3 (2020), pp. 895-90452AR/0000026377