Albert Sherman Osborn

1858 – 1946

• Questioned documents
• The problem of proof
• Photography and questioned documents
• Questioned Document Problems
• The problem of proof
• Ink and questioned documents
• Seventy lessons in spelling, revised
• Seventy lessons in spelling, revised
• Der technische Nachweis von Schriftfälschungen
• Die photographische Darstellung von Pausfälschungen
• Difficulties in proving forgery
• Opinion testimony and expert testimony with reasons