John Falconer, British Library
A Biographical Dictionary of 19th Century Photographers in South and South-East Asia
(?)Presumably the R. Ritter who was an assist to F. SCHWARTZCHILD in Calcutta in 1865.
Photographers in Bombay and Poona in the 1870s. R. Ritter is advertised as a photographer in Bangalore in 1888-9. Advertisement announcing the opening of their Bombay studio in Times of India Directory for 1870.
Ritter, Molkenteller and Co., photographers, Rampart Row and Meadow Street, Bombay, 1869-(75) (‘Times of India’ calendar and directory).
Ritter and Co., photographers, Rampart Row and Medows Street, Bombay, 1876-(77) (The Times of India Calendar and Directory).
Ritter and Co., photographers, Rampart Row and Meadows Street, Bombay, 1875 (Maclean’s Guide to Bombay).
See also under MOLKENTELLER