The testimony of witnesses is taken in three modes: First. By affidavits. Second. By deposition. Third. By oral examination.
Okla. Stat. tit. 12, § 421
Modes of taking testimony
R.L. 1910, § 5067.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.