They came with letters and photographs amid the frayed clean linen in their shabby suit-cases-at any opportunity they would stoop over their bags and hopefully bring out testimonials from their Pastors; they begged for a chance to heal humanity, and for themselves only enough money to send The Girl to musical conservatory.
There are no more uses of "testimonial" in the book.
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Her testimonial for the candidate was especially persuasive.
I began answering questions and listening to comments and testimonials about Walter, the town, race, the police, the trial, and the way the whole family was now being treated by people in the community.