The '''Society of Descendants of Spain''' (SDE) is a wholly-owned subsidiary of The Augustan Society, Inc. Online data is at [https://www.augustansociety.org/index.cfm?fuseaction=Page.ViewPage&pageId=1579].
The SDE was organized to further interest in the study of Spain and Spanish emigrants. Scholarly and genealogical data gathered are submitted to [[Augustan Omnibus | The Augustan Omnibus]], the [[Family of Augustans]] project, and the [[Books Editor]] for inclusion in the ''Augustan Lineages'' series.