Handwriting, forgery, signatures, usual characteristics

Black, D. A. (1962). "Forged Signatures More Skillfully Written Than The True Signatures." Journal of Criminal Law, Criminology and Police Science 53: 109-12.
Birmingham University Harding Law Library per K 1.J6

Black, D. A. (1959). "Forgery Above a Genuine Signature ." Journal of Criminal Law, Criminology, and Police Science 50: 585-590.
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Hilton, O. (1969). "Consideration of the Writer's Health in Identifying Signatures and Detecting Forgery." Journal of Forensic Sciences 14: 157-166.
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Vastrick, T. W. (1982). "Illusions of Tracing." Journal of Forensic Sciences 27: 186-191.
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