Innsbruck und dessen nächste Umgebung, by C. Redlich, from the Digital Commonwealth - commonwealth ht2508427. (<a rel="nofollow" class="external free" href="https://www.digitalcommonwealth.org/search/commonwealth:ht2508427">https://www.digitalcommonwealth.org/search/commonwealth:ht2508427</a>)
C. Redlich
Digital Commonwealth