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Acta Sanctorum
All 68 volumes of the Acta Sanctorum as published by the Société des Bollandistes. The encyclopaedia documents the lives of Saints from 1643 to 1940, organised by each saint's feast day.

Acland's Video Atlas of Human Anatomy
Video recordings involving human cadaveric specimens, with glossary and tests.

ACM (Association for Computing Machinery) Digital Library
The ACM Digital Library is a research, discovery and networking platform containing all ACM publications in addition to a collection of curated and hosted full-text publications from select publishers, and the ACM Guide to Computing Literature, a comprehensive bibliographic database focused exclusively on computing. 

African Diaspora
A collection of 6,000+ primary, secondary and video sources on the African Diaspora from 1860 to present. Focuses on the migration of people of African descent to communities in the Caribbean, Brazil, India, United Kingdom, and France. Primary source documents digitised from archives including The National Archives and Records Administration (US), The National Archives (UK), Royal Anthropological Institute, and Senate House Library (University of London).

Altmetric Explorer
Altmetric is a system that tracks the attention that research outputs such as scholarly articles and data sets receive online. It pulls data from:

• Social media such as Twitter and Facebook
• Traditional media - both mainstream (The Guardian, New York Times) and field specific (New Scientist, Bird Watching); many non-English language titles are covered.
• Blogs - both major organisations (Cancer Research UK) and individual researchers
• Online reference managers like Mendeley and CiteULikely]

Ancestry.co.uk
Primary sources on UK family history, including birth, marriage, and death records (1837-2005); census returns (1841-1911); and military and migration records [on campus access only]

Année Philologique
Bibliographic database on classical history, providing an index to and abstract of scholarly works on Ancient Greece and Rome.

APA PsycInfo
APA PsycInfo is a comprehensive database for psychology, with extensive coverage of related disciplines produced by the American Psychological Association. It includes references to journal articles, dissertations, books and book chapters, and reports.

Apartheid South-Africa, 1948-1980
A primary source database sourced by The National Archives UK. Contains letters, diplomatic dispatches, trial papers, and activist biographies to provide analysis of South African internal and international politics and trade relations during Apartheid.

Arbitrator Research Tool (ART)
Legal research database, part of Global Arbitration Review, with profiles of international arbitrators and counsel [username/password required for off-campus access, email librarians@le.ac.uk for details.]

Archive of Celtic-Latin Literature
Collection of ancient Celtic-Latin literary texts published from 400 AD to 1200 AD.

Aristoteles Latinus
Collection of Medieval-Latin translations of the works of ancient Greek philosopher Aristotle. 

ASME Digital Collection
The ASME Digital Collection is produced by the American Society of Mechanical Engineers and provides access to journals, e-books and conference proceedings.

19th Century British Pamphlets
Collection of 26,000 pamphlets providing primary sources on 19th century British society, politics and economics, including: Cowen Tracts (1603-1898), Earl Grey (1800-1900), Foreign and Commonwealth Office (1545-1900), Hume Tracts (1769-1890), Knowsley (1792-1868), Wilson Anti-Slavery (1761-1900), and collections from Bristol, London School of Economics, and Manchester universities.