Comparison of Imputation Methodologies in the Offenses-Known Uniform Crime Reports (pdf, 148 pages)
by Joseph R. Targonski
These reports are the result of NIJ-funded projects but were not published by the U.S. Department of Justice.
http://links.govdelivery.com/track?type=click&enid=bWFpbGluZ2lkPTIwMTEwNzI2LjIxNDkxOTEmbWVzc2FnZWlkPU1EQi1QUkQtQlVMLTIwMTEwNzI2LjIxNDkxOTEmZGF0YWJhc2VpZD0xMDAxJnNlcmlhbD0xMjc2OTQ2NTQ4JmVtYWlsaWQ9amltdGFrZWRhQGdtYWlsLmNvbSZ1c2VyaWQ9amltdGFrZWRhQGdtYWlsLmNvbSZmbD0mZXh0cmE9TXVsdGl2YXJpYXRlSWQ9JiYm&&&102&&&https://www.ncjrs.gov/pdffiles1/nij/grants/235152.pdf