| Francis Frith Drachenfels and the Siebengebirg, From Rolandseck [Hyperion: A Romance. Illustrated with Twenty-Four Photographs of the Rhine, Switzerland, and the Tyrol] 1865 Albumen print Archive Farms The Patrick Montgomery Collection, Object No. 2021.139 LL/116522 Published in Francis Frith, 1865, Hyperion: A Romance. Illustrated with Twenty-Four Photographs of the Rhine, Switzerland, and the Tyrol, (London: Alfred William Bennett, London), p. 3
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