9 Titel

• Brief von Charles Darwin an Karl Semper, 02.10.1879 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 02.10.1879

• Brief von Charles Darwin an Karl Semper, 06.02.1881 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 06.02.1881

• Brief von Charles Darwin an Karl Semper, 18.07.1877 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 18.07.1877

• Brief von Charles Darwin an Karl Semper, 19.07.1878 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 19.07.1878

• Brief von Charles Darwin an Karl Semper, 19.07.1881 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 19.07.1881

• Brief von Charles Darwin an Karl Semper, 24.07.1878 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 24.07.1878

• Brief von Charles Darwin an Karl Semper, 26.11.1878 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 26.11.1878

• Brief von Charles Darwin an Karl Semper, 30.11.1878 Darwin, Charles ; Semper, Karl In: Briefe. England (London Borough of Bromley), 30.11.1878

• Brief von Francis Darwin an Karl Semper, o.D. [vermutlich Anfang/Mitte Mai 1882] Darwin, Francis ; Semper, Karl In: Briefe. England (London Borough of Bromley), o.D. [vermutlich Anfang/Mitte Mai 1882]