There are several ways to search for resources available at the Library of Congress. The Library of Congress Online Catalog provides searchable access to the vast and diverse collections available onsite at the Library. For archival collections, Finding Aids provide detailed descriptions of individual manuscript items in larger collections. Digital collections and resources on the Library's website can be searched using the search box available in the header area of all Library of Congress webpages.
The Library of Congress Online Catalog is a great place to begin your research since it provides bibliographic descriptions for the vast majority of collection items available at the Library.
All searches can be narrowed down by adding filters to your search using the "Add Limits" button. Limit searches with the following options:
You may search in foreign language script in any of the search boxes. Many of the titles and author names have foreign language script in the catalog records and will be retrieved in searches on those fields. For example:
Raʼs al-māl al-fikrī al-ʻArabī : naḥwa ruʼyah istiratījīyah jadīdah lil-istithmār wa-al-taṭwīr.
رأس المال الفكري العربي : نحو رؤية استراتيجية جديدة للاستثمار والتطوير
You may also use the Language limit and select Arabic. Your search terms will retrieve materials that are written in the Arabic language. Please see this example here.