...Never purchase a dog from an unknown party unless the said party can supply good references and testimonials regarding the square dealing and the merits of his strain of dogs... 
Oliver Hartley 「Hunting Dogs」
...Its presentapplication seems to be almost solely to diplomasand testimonials, and in point of quality, usuallyas poor and spiritless as the incapacity of most ofits professors can make it...
John W. Bradley 「Illuminated Manuscripts」
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