NIST Special Database 27 and 27A: Fingerprint minutiae from latent and matching tenprint images This database has been discontinued and is no longer available.
NIST Scientific and Technical Document Database: This database was formerly known as Special Database 20. This database has been discontinued and no longer being supported but will be available upon request.
NIST Federal Register Document Image Database: Volume 1: This database was formerly known as Special Database 25. This database has been discontinued and no longer being supported but will be available upon request.