Handwriting, analysis, hardware, paper analysis, watermarks

Allen, M. J. and P. A. Rimmer (1988). "Dating Of A Will." Journal of the Forensic Science Society 28: 199-203.
Birmingham University Barnes Medical Library per RA 1001.J6F6

Clement, J. L., D. Tiffes, et al. (1980). "Counterfeit Watermarks On False French Identity Documents." International Criminal Police Review 334: 2-7

Grant, J. (1963). "Paper And Ink As A Medium For Fraud." Medico-Legal And Criminology Review 3: 126-36.
Birmingham University Barnes Medical Library per RA 1001.M3

Martin, E. (1961). "Watermarks On Paper; Their Value As Criminal Evidence." International Criminal Police Review 150: 205-11