@book{bhlitem137593, title = {Correspondence : Drude (Oscar) and Engelmann (George), 1875 }, volume = {Drude to Engelmann, 1875}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/137593}, note = {https://www.biodiversitylibrary.org/bibliography/69173}, publisher = {}, author = {Drude, Oscar,}, year = {1875}, pages = {5}, keywords = {(Johann Eduard),|1809-1884|1812-1879|1823-1903|1852-1933|Correspondence|Drude, Oscar,|Engelmann, George,|Letters|Palmae|Wappäus, J. E|Wendland, Hermann,|}, }