[Jan Marian Dobrowolski--botanist and expert in herbalism (1886-1958)].
D001901:Botany / Q000266:history*; D004512:Education, Pharmacy / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008517:Phytotherapy / Q000266:history*; D010946:Plants, Medicinal; D011044:Poland; D012580:Schools, Pharmacy / Q000266:history*
Jan Marian Dobrowolski--botanik i znawca zielarstwa(1886-1958).