BRIEF OHNE UMSCHLAG Darwin, Francis Author: Darwin, Francis Recipient: Haeckel, Ernst Dating: 17.05.1882
BRIEF OHNE UMSCHLAG Darwin, Francis Author: Darwin, Francis Recipient: Haeckel, Ernst Dating: 27.05.1882
BRIEF OHNE UMSCHLAG Darwin, Francis Author: Darwin, Francis Recipient: Haeckel, Ernst Dating: 05.08.1882
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 25.09.1873
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 20.09.1874
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 18.08.1866
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 20.10.1866
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 03.03.1871