D&B Million Dollar Database contains U.S. companies with $1 million or more in sales, or 20 or more employees, or branches with 50 or more employees. The corporate family tree feature lets you view the entire family tree structure for companies.
The award-winning Dictionary of Literary Biography Complete Online provides comprehensive access to the series dedicated to making literature and its creators better understood and more accessible to students and interested readers while simultaneously satisfying the standards of librarians, teachers, and scholars. The series provides reliable information on authors and their works in an easy to understand, engaging format, while placing writers in the larger perspective of literary history. Dictionary of Literary Complete Online includes the main series, documentary, and yearbook volumes.
The Digital National Security Archive contains the most comprehensive set of declassified government documents available. It includes 36 collections consisting of over 80,000 indexed documents. Each of these collections, compiled by top scholars and experts, exhaustively covers the most critical world events, countries, and U.S. policy decisions from post World War II through the 21st century.
With more than 2.4 million entries, the ProQuest Dissertations & Theses (PQDT) database (formerly Dissertation Abstracts) is the most comprehensive collection of dissertations and theses in the world. Most dissertations completed since 1997 are available in PDF format for immediate free download.