TY - GEN A1 - Acosta, Joaquín (1799-1852) A1 - Humboldt, Alexander von (1769-1859) L1 - http://www.jbc.bj.uj.edu.pl/Content/351817/PDF/NDIGORP017104_123b_02991754.pdf L2 - http://www.jbc.bj.uj.edu.pl/Content/351817 KW - rękopisy T1 - Brief von Joaquín Acosta an Alexander von Humboldt UR - http://www.jbc.bj.uj.edu.pl/dlibra/publication/edition/351817 ER -