"Minuscule-Majuscule" by Joep Pohlen, 2011
In Letter Fountain : (on Printing Types), Taschen pp 22-23
Quick reading to clear up any confusion between these terms, and why they are different to "upper" and "lower-case".
Difficulty : 
Time : < 5 minutes
FileSize : 4.5 MB
Filed under : History Of Typography