Citations:
Other web sites that have the this Ferguson & Urie web site as a reference, citation etc.
https://en.wikipedia.org/wiki/Sydney_Intercolonial_Exhibition
…Argus, 2 October, 1891, p.6. NOTE: In 1897 there was a public subscription for a stained glass window to be erected in Dr Singleton’s memory. The window, created by the firm Ferguson & Urie and installed in the Free Medical Dispensary, was later donated to the City of Collingwood (1979) and subsequently installed on the staircase of the Collingwood Town Hall (https://fergusonandurie.wordpress.com/tag/dr‑john‑singleton, accessed 3 October 2017)
Ferguson and Urie 