Professor Ludwig Waelsch - Dermatovenerologist at Prague dermatologic clinic in 19th Century - Waelsch's uretritis - Zákoucká, Hana (. Naturheilkunde und Judentum. - Frankfurt am Main : Mabuse-Verl., 2008. - 208 S.. - Ill.. - ISBN 978-3-940529-09-1, 2008)