- E-bookModern MagicProfessor Hoffmann
- E-bookModern MagicProfessor Hoffmann
- E-bookTreatise on Modern MagicProfessor Hoffmann
- E-bookModern MagicProfessor Hoffmann
- E-bookLatest Magic, Being original conjuring tricksProfessor Hoffmann
- E-bookModern MagicProfessor Hoffmann
- E-bookLatest Magic, Being original conjuring tricksProfessor Hoffmann