"John Falconer, British Library
A Biographical Dictionary of 19th Century Photographers in South and South-East Asia
Commercial, India
Partnership of John Edward Saché and W. F. Westfield, ...
15-1 Waterloo Street, Calcutta, lasted from 1865-70. Saché was later based at Naini Tal. The firm was awarded a silver medal at Bengal Photographic Society Exhibition, 1865-6 and bronze medal, 1868-9; in 1869 they advertised their ‘new studio, pucca-built, one of the coolest and best in Calcutta,’ at 3 Waterloo Street, stating that they have taken over the negative stock of F. W. Baker and Co. Partnership dissolved by 1870. " - http://www.luminous-lint.com/app/photographer/1_Sache_and_Westfield/A/, 12.02.2019
Die gnd verzeichnet einen Johann Edvard Zachert, 1824-1882 der unter dem Namen John Edward Saché aufgetreten sei. - http://d-nb.info/gnd/101415183X, 12.02.2019