ICCU - OPAC Indice Servizio Bibliotecario Nazionale
This OPAC allows you to query the SBN Index and the catalogue of the libraries that form part of it.
ACNP - Catalogo Italiano dei Periodici
The catalogue originates from the Archivio Collettivo Nazionale dei Periodici ('Italian National Archive of Periodicals') and contains bibliographic descriptions of the periodical publications owned by libraries right across the country, covering all subject areas.
Catalogo Nazionale Periodici Scienze Matematiche
This catalogue originates from the Archivio Collettivo Nazionale delle Pubblicazioni Periodiche ('Italian National Archive of Periodical Publications') of ISRDS. The interface allows users to find the desired information with ease and automatically request, by e-mail, copies of journal articles for scientific purposes only, or directly access the electronic publications.
IKarlsruher Virtueller Katalog
A meta catalogue that queries the catalogues of libraries and bookstores around the world, for a total of more than 500 million titles. Its special feature is the ability to search across multiple catalogues simultaneously.
Library of Congress
It is the biggest library in the world with over 128 million documents. It is followed by the British Library. Its collections include over 28 million catalogued books and other printed material in 470 languages; more than 50 million manuscripts; the biggest collection of legal material, films, maps, music scores and sound recordings in the world.
The European Library
The European Library offers free access to the resources of 47 National European Libraries. You can find all kinds of material here: original documents, text books, maps, photographs, music scores etc.
Through the following links you can access the main Web sites and portals at regional and national level to search for descriptions and information resources related to cultural heritage and historical Archives.
Lombardia Beni Culturali (Lombardia Cultural Heritage)
In the Lombardia Cultural Heritage portal, there are descriptions and information resources regarding Lombardia cultural heritage. In the Historical archives section, in particular, you can consult the databases of archival descriptions of documentary collections stored in Lombardia.
SAN - Catalogo delle risorse archivistiche (Catalogue of archival resources)
In the National Archival System, the Catalogue of archival resources allows to search essential information related to the Italian archival heritage, through the descriptive forms imported from the national and local archival systems that belong to the SAN.
SAN - Archivi degli Architetti (Archives of architects)
Among the portals and thematic Web sites accessible from the SAN (National Archival System), the Archives of Architects portal, through consultation of informative and digital resources, allows to have information about the historical archives related to the architecture field, stored in the different Institutions in Italy.
SAN - Archivi della moda del Novecento (Fashion archives of the Twentieth century)
Among the portals and thematic Web sites accessible from the SAN (National Archival System), the portal of Fashion archives of the Twentieth century, through consultation of informative and digital resources, allows to have information about the archival and bibliographic heritage of Italian fashion, stored in the different Institutions in Italy.
SIUSA - Sistema Informativo Unificato per le Soprintendenze Archivistiche
(Unified Information System for Archival Superintendencies)
In the Unified Information System for Archival Superintendencies, it is possible to access the descriptions related to the non-state archival heritage, stored in Italy by public and private bodies.
Geoportale Nazionale http://www.pcn.minambiente.it/mattm/
Geoportale della Lombardia https://www.geoportale.regione.lombardia.it/
Geoportale del Comune di Milano https://geoportale.comune.milano.it/sit/
MIT Geoweb https://geodata.mit.edu/
Harvard Geospatial Library https://library.harvard.edu/services-tools/harvard-geospatial-library
Europe in the XIX. Century https://maps.arcanum.com/en/