Donaldson, F. (1912). Practical shaft sinking (2nd ed., corrected with two new appendices.). McGraw-Hill.

Donaldson, Francis. Practical Shaft Sinking. 2nd ed., corrected with two new appendices. New York: McGraw-Hill, 1912.

Donaldson, Francis. Practical Shaft Sinking. 2nd ed., corrected with two new appendices. McGraw-Hill, 1912.