@article{roth_2011,  title={EDGAR JAFFÉ E ELSE VON RICHTHOFEN À LUZ DE CARTAS RECÉM-DESCOBERTAS},  volume={1},  ISSN={2238-3875},  url={https://doi.org/10.1590/2238-38752011v112},  DOI={10.1590/2238-38752011v112},  number={1},  journal={Sociologia & Antropologia},  publisher={Universidade Federal do Rio de Janeiro},  author={Roth, Guenther},  year={2011},  month={Jan},  pages={21–49} }