Share 'Information request: Augustus Mahalski (1831-1900), photographer in York'

Mahalski operated a photographic business at various addresses in York for more than 40 years.  I am preparing an article about him and I am seeking examples of his work primarily as sources of information about the style and range of his work.  Like other photographers of the period he produced CDVs in his Portrait Rooms but produced a variety of other formats.  He advertised as a 'Military and…