Advanced Search

The OPAC (Online Public Access Catalogue) of the Italian Catalogue of Periodicals ACNP contains Italian and International journals, both print and online formats, owned by the Italian libraries adhering to the Catalogue.

For further information on ACNP:

Searching the OPAC returns a list of journals according to search criteria and a list of libraries’ holdings for each of them.

As to online journals (both free and reserved access) information on access is also provided.

Moreover, information on cumulative holdings is reported (overall years effectively available, irrespective of the holdings of each library).

A Registry of participating libraries is linked to the Catalogue containing information on services provided (address, e-mail, opening hours, access conditions, rules..)

Besides the ACNP Catalogue an Archive of table of contents and abstracts (tocs and abs) and the ISSN International Register (access reserved to enabled librarians that manage the Catalogue).

Search user interface:

It allows searching the catalogue by filling in one or more description fields of the journal. Selecting "more fields" (to the right) will return a greater number of search keys.


The key title of the journal. it is possible to use truncation, wildcard characters and boolean operators. Truncation is represented by an asterisk * to retrieve all the words beginning by a given sequence of letters or numbers (i.e., econom* will retrieve economia, economico, economics, economy etc.).

The wildcard character, represented by a question mark ? is used to represent one or more characters when you are searching for a word (i.e., r?osso will find rosso, russo, etc.). Wildcard characters are often used in place of one or more characters when you do not know what the real character is.

Truncating search terms and wildcards can be used in all search fields.

It is also possible to select the option "title part" to search for the title containing a given string or "exact title" to search for titles matching a specific word or a sequence of words only. The options are displayed by clicking the little triangle to the right of "TITLE".

It is possible to see the list of titles alphabetically close to the selected title clicking "List" at the end of the field.

Corporate/Body Author

This field identifies the corporate authorship of the publication.


It is the publishing company or the publisher responsible for the journal publication.


ISSN is the acronym of International Standard Serial Number that uniquely identifies serials. It is an 8-digit code and can be searched with or without hyphen between the two 4-digit groups. Qualified users can click the code tag to compare ACNP cataloguing of ACNP and ISSN Register.


The ISSN code groups the different formats of the same publication (print, online, etc.) into a unique code: ISSN-L. Besides its own ISSN, any periodical publication is linked to a unique ISSN-L common to all existing formats.

Publication place

The place of the publisher's seat.

UDC (Universal Decimal Classification)

UDC code is a bibliographic classification scheme expressed by numerical notations associated to specific disciplines. For a list of the main codes, select "list".

Dewey (Dewey Decimal Classification)

Dewey Decimal Classification code. For a list of main codes select "list".

Type of physical media and online format (now indicated as edition)

It is possible to limit the search by selecting only one type of documents from the dropdown menu (i.e., only the print or online as well as one among the different media).

Country of publication

The Country where the journal is published.


The language in which the journal is published.


The frequency of issues.

Holdings range

By typing a range of years it is possible to limit the search only to libraries that hold a journal in the selected range.

Free-text search

It is simultaneously executed in the following fields: title, issn, corporate body, varying form of title, parallel title, publisher, library code, UDC and DDC.

Library code

It is possible to limit searching only to the journal holdings of a single library or a group of libraries. In this case use the code/s of the library in sequence. To find the codes search the Library Registry.

Journal codes

If the CNR identification code is known it is possible to uniquely search for a given journal (i.e., P210816 or PT34564563 or PI34569871).


It is possible to limit the search to one section only of the Catalogue by selecting one code from the dropdwn menu (ACNP or TEMP) assigned to the journal when cataloguing.

By its nature, the filter is mainly used by librarians.