1. Examination for petrolatum based lubricants in evidence from rapes and sodomies;Blackledge;J. For. Sci.,1983
2. R.D. Blackledge, Condom trace evidence: a new factor in sexual assault investigations, FBI Bulletin, May 1996 (from FBI website: http://www.fbi.gov/library/).
3. Viscosity comparisons of polydimethylsiloxane lubricants in latex condom brands via fourier self-deconvolution of their FT-IR spectra;Blackledge;J. For. Sci.,1995
4. Collection and identification guidelines for traces from latex condoms in sexual assault cases;Blackledge;Crime Lab. Digest,1994
5. Identification of polydimethylsiloxane lubricant traces from latex condoms in cases of sexual assault;Blackledge;J. For. Sci. Soc.,1994