リヒャルト・ヴィルシュテッター
↑ Stoltzenberg, Dietrich (2004). Fritz Haber: chemist, Nobel Laureate, German, Jew. Chemical Heritage Foundation. p. 203. ISBN 978-0941901246. https://books.google.co.jp/books?id=0ekNIaJX3-YC&pg=PA203&lpg=PA203&dq=Richard+Willst%C3%A4tter+jewish&q=&redir_esc=y&hl=ja
↑ Richard Willstätter - Biography at nobelprize.org
↑ Richard Willstätter: Aus meinem Leben, edited by A. Stoll, Verlag Chemie, Weinheim, 1949; English edition: From My Life, Benjamin, New York, 1965.