Author Count
Illinois Agricultural Statistics Service 4
Illinois. Agricultural Statistics Service
Illinois Agricultural Task Force on Non-point Sources of Pollution
Illinois. Agriculture, Department of
Illinois Agriculture Experiment Station
Illinois. Agriculture, State Board of
Illinois. Air Pollution Control Act (1963) 1
Illinois. Air Pollution Control Board 3
Illinois. Air Pollution Control, Division of
Illinois. Alcoholism Division 3
Illinois. Alcoholism, Division of
Illinois. Alcoholism & Substance Abuse, Dept. of
Illinois All-State Band 2
Illinois All-State Chorus 1
Illinois All-State Orchestra 2
Illinois Alliance for Aging 1
Illinois. Alternative Energy Development Section 1
Illinois Alzheimer's Disease Assistance Plan 1
Illinois. Ambient Air Monitoring Section 2
Illinois. an Act to Incorporate the Galena and Chicago Union Railroad Company, Approved January 16, 1836 1
Illinois and Michigan Canal. Board of Trustees 2
Illinois and Michigan Canal (Ill.) 1
Illinois and Michigan Canal National Heritage Corridor Commission 1
Illinois and Michigan Canal National Heritage Corridor Commission (U.S.)
Illinois and Mississippi River and Canal Improvement Commission 2
Illinois and Ouabache Land Companies
Illinois and St. Louis Bridge Company 9
Illinois and Wabash Land Companies
Illinois and Wabash Land Company
Illinois Annual School for Mothers of Deaf Children 1
Illinois anti-slavery convention (1837 : Upper Alton) 1
Illinois Anti-slavery Society 1
Illinois Anti-Vivisection Society 2
Illinois. Appellate Court 41
Illinois. Appellate Court (1st District) 8
Illinois. Appellate Court (2nd District) 2
Illinois. Appellate Court (3rd District) 2
Illinois. Appellate Court (4th District) 1
Illinois. Appellate Court. First district 1
Illinois Archaeological Survey 19
Illinois Area Council of YMCA's 1
Illinois Art Education Association 2
Illinois Art Gallery
Illinois Art Project 1
Illinois artillery. 1st reg't. 1861-1865. Battery B 1
Illinois Artillery. Chicago Board of Trade Battery, 1862-1865 1
Illinois Arts Council 6
Illinois Assembly on Higher Education and Public Service Careers (1972 : Allerton House) 1
Illinois Assembly on the Office of Governor (1962 : Robert Allerton Park) 1
Illinois Assembly on the Office of Governor (1962 : Robert Allerton Park) 1
Illinois. Assessment Administration Division 1
Illinois Association 2
Illinois Association for Advancement of Archaeology 3
Illinois Association for Criminal Justice 6
Illinois Association for Supervision and Curriculum Development 3
Illinois Association for the Crippled, Chicago. Metropolitan Unit 1
Illinois. Association for the Mentally Retarded 1
Illinois Association of Chemistry Teachers 3
Illinois Association of Chiefs of Police 2
Illinois Association of College and Research Libraries 1