From International Robin Hood Bibliography
Little Johns Grave. Hathersage (3121) ([s.l.]: [s.n.], [s.d.]). Photographic postcard (b./w.) / HTN collection.
Little Johns Grave. Hathersage (3121) ([s.l.]: [s.n.], [s.d.]). Photographic postcard (b./w.) Verso / HTN collection.
[s.n.],
Little Johns Grave. Hathersage (3121). [s.l.]: [s.n.], [s.d.]. Photographic postcard (b./w.) 135 x 87 mm.
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