1970: Standard terminology for curriculum and instruction in local and
State school systems

1970: A taxonomy of instructional programs in higher education, by Robert A. Huff and Marjorie O. Chandler

1978: A Classification of Educational Subject Matter, by W. Dale Chismore and Quentin M. Hill

1981: A Classification of Instructional Programs: 1980 Edition

1987: Classification of Instructional Programs (CIP): 1985 Update Bulletin

1987: A Classification of Instructional Programs (CIP): 1985 Edition

1990: Classification of Instructional Programs: 1990 Edition

2000: Classification of Instructional Programs: 2000 Public Comment Draft

2002: Classification of Instructional Programs: 2000 Edition

2010: Classification of Instructional Programs: 2010 Edition

2020: Classification of Instructional Programs: 2020 Edition