Searches back runs of scholarly journals; art & architecture, language & literature, history, economics, social sciences, mathematics, ecology and music. JSTOR now includes some current issues for selected titles. Ebooks from scholarly publishers are also available.
HathiTrust is a not-for-profit collaborative of academic and research libraries preserving 17+ million digitized items.
Sample search: https://babel.hathitrust.org/cgi/ls?field1=ocr;q1=biograph%2A;a=srchls;lmt=ft
The collection of more than 170 million items includes more than 39 million cataloged books and other print materials in 470 languages; more than 73 million manuscripts; the largest rare book collection in North America; and the world's largest collection of legal materials, films, maps, sheet music and sound recordings.