Murder in Illinois : 1973 to 1982 /

"December 1983."

Natural history of the bird-voiced treefrog (Hyla avivoca) and green treefrog (Hyla cinerea) in southern Illinois /

"September 1999."

Non-point source loading of nutrients in Illinois /

Bibliography: p. 30.

Preserving the records of Illinois' past for the benefit of the present and the future : a strategic plan /

Mode of access: Internet.

Promising approaches to gangs : a catalogue of prevention and suppression programs in Illinois /

"June 1994."

Repeat offenders in Illinois.

Caption title.

Relationships between concentration and discharge on selected Illinois streams /

Cover title.

Relationships between land-use and chemical quality of Illinois streams /

Cover title.

Results of the 1995 Illinois Drug Use forecasting study /

"July 1996."

Rules and regulations to govern school student records, based on the Illinois School Student Record[s] Act of 1975 /

"Filed pursuant to Chapter 122, Article 50, Illinois Revised Statutes, 1975, and effective March 24, 1976."

State of Illinois statewide strategy to control drug and violent crime.

"January 1990."

State of Illinois stream and lake classification project; report, 1977-78 year /

Cover title.

Stream bottom sedimentation in Illinois rivers : preliminary evaluation of USGS gaging station data /

Cover title.

The ground skink, scincella lateralis, in Illinois : range and possible recent history /

"September 2006."

The GeoArchive handbook : a guide for developing a geographic database as an information foundation for community policing /

"Funded in part by the Department of Justice, Office of Justice Programs, Bureau of Justice Statistics, Analytic Projects for State-Level Criminal Justice Statistical Analysis Centers (SAC-2 program)."--Verso of t.p.