The Pennsylvania Superior Court more explicitly defines an understandingly and intelligently made waiver of counsel by an accused.
Commonwealth ex rel. Mullins v. Maroney, 209 Pa. Super. 270, 228 A.2d 1 (1967).
Michael J. Aranson,
Criminal Law - Right to Counsel,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol6/iss1/7