Common form
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A will is said to be proved in common form when the executor proves it on his own oath: as distinguished from "proof by witnesses," which is necessary when the paper propounded as a will 1b dispnted.
Hubbard v. Hubbard, 7 Or. 42; Richardson v. Green. 61 Fed. 423 , 9 C. C. A. 565; In re Straub. 49 N. J. Eq. 264, 24 Atl. 569; Sutton v. Hancock, il8 Ga. 486, 45 S. E. 504.