@article{Hartmann_1950, title={Breve fra Martinus Rørbye 1835-48}, volume={71}, url={https://tidsskrift.dk/personalhistorisk_tidsskrift/article/view/79538}, number={12_5_0102}, journal={Personalhistorisk Tidsskrift}, author={Hartmann, Jørgen B.}, year={1950}, month={jan.}, pages={1–20} }