LIDDELL & GORDON (engineers) Danube and Black Sea Railway and Free Port of Kustendjie, plans and sections of the line of railway, and charts, shewing the proposed plans for the harbour, London: G. Walker, [n.d.], oblong folio, 6 partly hand-coloured lithographed sheets (all with double fold-marks, first sheet with small ink stain at foot, final sheet holed with slight loss and repaired, other repairs to folds and margins), original wrappers with morocco backstrip (fold-marked, Russian library stamps).