SNAC

Social Networks and Archival Context (SNAC) is an online project to search, find, and use historical records individuals, families, and organizations.

History
SNAC was formed in 2010 through a grant National Endowment for the Humanities (NEH) from National Archives and Records Administration (NARA), Andrew W. Mellon Foundation funded the second phase of SNAC in 2012 to 2014. One of the features of this project is a radial graphic that can identify a subject's social network with related historical figures.

SNAC is used in conjunction with other digital archives to link historical records.