University of Bristol - Historical Photographs of China reference number: Os03-056. Photo from an album (UoB reference Os03) kept in the School of Oriental and African Studies Archives, London (SOAS reference MS 380 876/3).
Dr John Dudgeon (1837-1901), medical missionary, Chinese scholar and photographer, is standing in the middle, with his hands resting on the chair occupied by Mrs Clark.
Left to right, standing: G. Clark, J.C. Oswald, Dr John Dudgeon, C. Schlee, J. Brady.
Left to right, sitting in chairs: John McGregor, Mrs Clark, W.S. King.
Sitting on deck: J. Gowland.
P and O = Peninsular and Oriental Steam Navigation Company.

Caption on mount
P and O Sh “Britannia” April 1892 G. Clark J.C.O. Dr Dudgeon C. Schlee J. Brady John McGregor Mrs Clark W.S.King J. Gowland

Black and white photograph
Archives & Special Collections, SOAS Library, University of London