1903 Peking, by the Prussia (Germany) Landesaufnahme Kartogr. Abteilung, from the Digital Commonwealth - commonwealth 9s161h74w. (<a rel="nofollow" class="external free" href="https://www.digitalcommonwealth.org/search/commonwealth:9s161h74w">https://www.digitalcommonwealth.org/search/commonwealth:9s161h74w</a>)
Prussia (Germany) Landesaufnahme Kartogr. Abteilung
Digital Commonwealth