Delpher is a website providing full-text Dutch-language digitized historical newspapers, books, journals and copy sheets for radio news broadcasts. The material is provided by libraries, museums and other heritage institutions. Delpher is freely available and includes about 1 million newspapers, 180,000 books and 1.5 million journal pages that date back to the 17th century.
- Books: 180,000 books, from the 17th century onwards
- Journals: 80 journal titles from 1850-1940 
- Newspapers: about 8 million pages from the Netherlands, Dutch East Indies, Netherlands Antilles and Surinam, from between 1618 and 1995. This represents about 10% of the total published output in this period.
- Typoscripts for radio broadcasts by the Algemeen Nederlands Persbureau (ANP), 1.8 million typed sheets from 1937 to 1984.