"Development of Bristo Square". Catalogue of The Percy Johnson-Marshall Collection. University of Edinburgh. Archived from the original on 27 June 2015. Retrieved 26 June 2015.
"Development of Bristo Square". Catalogue of The Percy Johnson-Marshall Collection. University of Edinburgh. Archived from the original on 27 June 2015. Retrieved 26 June 2015.
"Development of Bristo Square". Catalogue of The Percy Johnson-Marshall Collection. University of Edinburgh. Archived from the original on 27 June 2015. Retrieved 26 June 2015.
"Development of Bristo Square". Catalogue of The Percy Johnson-Marshall Collection. University of Edinburgh. Archived from the original on 27 June 2015. Retrieved 26 June 2015.