EIGHTEENTH AND NINETEENTH CENTURY

cialized libraries and specialized collections of many types, the strength and vigor of the special library movement have come from the libraries serving business, industry, and government. These new forms of special libraries, founded as working collections to provide efficient information service, emerged in the first decades of the twentieth century as a vigorous new movement, sharply differen-tiated from both the mainstream of librarianship at the time and from special libraries of earlier years. In 1928, Frederick Austin Ogg wrote, “The growth of special libraries is the outstanding feature of library history in the past twenty years.”! This statement was reaffirm years later by Jesse Shera, who characterized the twentieth ce the era of special libraries and specialized services.