Copac exposes rare and unique research material by bringing together the catalogues of c.90 major UK and Irish libraries. In a single search you can discover the holdings of the UK’s national libraries (including the British Library), many University libraries, and specialist research libraries.

ProQuest Dissertations and Theses Global is the world's most comprehensive collection of dissertations and theses, covering materials back to the first U.S. dissertation, accepted in 1861, as well as to European dissertations from the 17th century. The database is the official dissertations repository for the Library of Congress, with 5.5 million bibliographic citations, 3 million full texts, 4,100 contributing institutions worldwide and 250,000 works added annually. Full-text coverage spans from 1743 to the present, with citation coverage dating back to 1637.

The International Monetary Fund's eLibrary simplifies analysis and research with direct access to the IMF's periodicals, books, working papers and studies. Various statistical and visualization tools to showcase IMF datasets are offered free of charge via the IMF Data platform.

The goal of OAIster is to create a collection of previously difficult-to-access, academically-oriented digital resources that is easily searchable by anyone.

PressReader delivers a large selection of the world’s most popular newspapers and magazines on a single platform. The current subscription provides full text access to recent issues of more than 7,000 publications in over 60 languages, including 370 German titles. The previous Library PressDisplay product is still available under: https://library.pressdisplay.com/pressdisplay.

Teatro Español del Siglo de Oro contains approximately 850 works from the sixteenth and seventeenth century, by 16 major authors including Lope de Vega, Miguel de Cervantes, Calderón de la Barca and Tirso de Molina. The Golden Age (1500-1700) was the crowning glory of Spain’s intellectual and artistic achievements, from the paintings of Velázquez and Murillo to the literature of Cervantes and Calderón. Dramatic writing reached unequalled heights and Teatro Español del Siglo de Oro traces its development through this uniquely creative period and provides unprecedented access to a large and representative collection of texts.

zbMATH Open (formerly known as Zentralblatt MATH) is the world's most complete and longest running abstracting and reviewing service in pure and applied mathematics. The MATH Database contains several million entries drawn from more than 3,500 serials and journals, and more than 1,100 book series and monographs. The entries are classified according to the Mathematics Subject Classification Scheme (MSC 2000).