Arcade unites the collections of the Frick Art Reference Library and the libraries of the Brooklyn Museum and The Museum of Modern Art.
- a union catalogue: 24 of the largest university research libraries in the UK and Ireland PLUS the British Library & the National Library of Scotland.
MIT's digital repository - MIT Libraries
- A digital library of 18th and 19th Century journals
- Online Library of Books and Journals
search contents of libraries worldwide: