From B. Birkenthal   [14 February 1860]

Record created for the Calendar of the Correspondence of Sir John Herschel (CUP: Cambridge), 1998 by Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds

Digital record created by Dr Marvin Bolt and Steven Lucy at the Webster Institute of the Adler Planetarium

Converted to TEI by Michael Hawkins, Epsilon Project, Cambridge University Library