http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
collected letters of Henry Northrup Castle
edited by George Herbert Mead and Helen Castle Mead ; introduction by Alfred L. Castle ; foreword by Martin Krislov.
Originally issued as: Letters. London : [privately printed], 1902.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.