1. Chirurgie dříve a nyní Creator: Otto Polák Publisher: J. Otto Format: print and 20 s. Type: model:monograph and TEXT Language: Czech Description: napsal Otto Polák. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. O zneužívání kokainu, kokainismu neboli kokainomanii Creator: Antonín Wiesner Publisher: J. Otto Format: print and 20 s. Type: model:monograph and TEXT Language: Czech Description: napsal Antonín Wiesner. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public