Gerhard an Braun 1833-1835. - Gerhard, Eduard, 1795-1867
Handwritten notes and corrections throughout the letters.
Includes a list of names.
Includes a copy of a letter from Bunsen and Kestner to Gerhard and Panofka, forwarded from Gerhard to Braun.
Includes a copy of a letter from Gerhard to Bunsen, forwarded from Gerhard to Braun.
Includes a letter signed by Härtel to Braun.