New York Philharmonic: Shelby White & Leon Levy Digital Archives
According to the website: "The New York Philharmonic Shelby White & Leon Levy Digital Archives was launched in February 2011, and currently comprises more than four million pages, including printed programs, marked conducting scores, business documents, and photographs. Growing continually, the scope of the online collection is every document in the New York Philharmonic Archives from 1842 through 1970 and public facing materials, such as programs and press releases, until today. This includes correspondence, marked scores and parts, contracts, annual reports, marketing materials, and minutes from meetings of the Board of Directors."