https://archive.org/details/josh-bazell-schneller-als-der-tod
https://archive.org/details/prof.-dr.-taschner-die-formel-albert-einsteins
https://archive.org/details/j.-m.-peace-die-hatz
https://archive.org/details/ein-osmane-in-wien-arte
https://archive.org/details/die-wiener-hofapotheke-arte