Use the LibrarySearch Advanced search. Select "Italian" from the Language drop-down menu to retrieve books in Italian. You can further refine the search results by adding a keyword and via the limiters on the left side of your results list.
This also works for finding videos in Italian. To find videos, after performing a language specific search, you can further refine your results list by clicking "Videos & DVDs" under "Format".
The following are databases which would have citations and/or full-text for articles written in Italian or about Italian language or culture. Most of these are part of the ProQuest package.
Francis (Humanities & social sciences)
Academic content in Italian, English and other languages in subject areas such as religion, art history, philosophy, psychology, education, linguistics, archeology, information science, sociology and literature (with particular emphasis on current trends in European and world literature.)
International Bibliography of the Social Sciences (IBSS)
A major index for social science and interdisciplinary scholarly research with a focus on anthropology, economics, politics and sociology. Includes some Italian content. Note that some titles will appear translated into English even though the full text is in Italian or another language.
Linguistics and Language Behavior Abstracts (LLBA)
The major index for the study of linguistics. LLBA also covers language behaviour and related disciplines in the language sciences. Includes content in Italian.
MLA International Bibliography (Modern Languages Association)
The major database for world literature, covering all areas of modern literatures, languages, folklore, and linguistics. Coverage includes literature from all over the world—Africa, Asia, Australia, Europe, and North and South America. Includes content written in Italian.
Arts & Humanities Citation Index
A citation index and subject database for arts and humanities that includes content in Italian and in the area of Italian Studies.
Historical Abstracts
A major database for world history from 1450 to the present. Includes Italian Studies content.
Italinemo
Database of Italian magazines published in the world since 2000. Content and interface are in Italian.
Is it peer-reviewed?
In Ulrich's Online Periodical Directory you can look up the title of any journal, to find out if the articles in that journal are peer-reviewed.