Dictionary Catalog of the Research Libraries of the New York Public Library, 1911-1971

The Dictionary Catalog of the Research Libraries of the New York Public Library, 1911–1971, represents a monumental effort to provide bibliographic access to one of the world's most significant private-public research institutions. Published in the early 1980s by G.K. Hall & Co., the set was conceived as a comprehensive physical record of the library's holdings, digitizing and organizing decades of card catalog entries into a cohesive, printed multivolume resource to ensure information was accessible to scholars outside of New York City.

The design of the catalog follows the traditional dictionary format, where subject, author, and title entries are interfiled to allow for efficient cross-referencing. The publication was widely regarded as an indispensable tool for academic libraries and institutions during the pre-digital era, serving as a primary reference work for humanities research. It remains a testament to the organizational rigor of 20th-century librarianship and the evolution of bibliographic control before the widespread adoption of automated library systems.