- CDPC : Donald P. Costello: Manuscripts
- CDPC 1/1-21 Series : Correspondence 1959-1997
- CDPC 1/01 Folder : Provost 1971-1977
- CDPC 1/02 Folder : Public Relations 1973
- CDPC 1/03 Folder : St. Mary's 1971
- CDPC 1/04 Folder : Society for Religion in Higher Education 1965-1976
- CDPC 1/05 Folder : Student Permissions 1975
- CDPC 1/06-07 Folder : Publishing 1964-1977
- CDPC 1/08 Folder : University Correspondence 1977
- CDPC 1/09 Folder : Freshman English 1967
- CDPC 1/10 Folder : The Draft 1968-1970
- CDPC 1/11 Folder : Europe 1967-1970
- CDPC 1/12 Folder : Film Course Correspondence 1975-1977
- CDPC 1/13 Folder : Harbison [Award Program] 1971-1972
- CDPC 1/14 Folder : High School Inquiries 1975
- CDPC 1/15 Folder : [University] Press 1970-1971
- CDPC 1/16 Folder : Correspondence 1993-1997
- CDPC 1/17 Folder : Correspondence 1993
- CDPC 1/18 Folder : Dissertation Correspondence 1959-1961
- CDPC 1/19 Folder : Chairman Correspondence 1978-1992
- CDPC 1/20 Folder : Book Orders 1980-1981
- CDPC 1/21 Folder : Crank Letters 1988
- CDPC 1-3/ Series : Academic / Teaching 1962-1995
- CDPC 1-2/ Subseries : Course Files 1964-1995
- CDPC 1/22 Folder : Miscellaneous Roosevelt Papers c1957
- CDPC 1/23 Folder : Sharecroppers 1950s
- CDPC 1/24 Folder : Special Studies 1977-1978
- CDPC 1/25 Folder : Student Writing 1975
- CDPC 1/26 Folder : Summer Teaching 1970-1977
- CDPC 1/27 Folder : Papers from Composition Course at Summer I 1965-1966
- CDPC 1/28 Folder : Writing Courses 1963-1967
- CDPC 1/29 Folder : Collegiate Seminar 1960-1961
- CDPC 1/30 Folder : Exam Questions 1966-1978
- CDPC 1/31 Folder : Exam Questions 1966-1978
- CDPC 1/32 Folder : English 606s 1975-1976
- CDPC 1/33 Folder : Novel Exams c1967
- CDPC 1/34 Folder : Movie Notes 1970s
- CDPC 1/35 Folder : Film Exams 1980-1981
- CDPC 1/36 Folder : Grades [CLOSED] 1972-1978
- CDPC 1/37-40 Folder : Core 1978-1995
- CDPC 1/41 Folder : American Literature Exam 1992-1993
- CDPC 1/42 Folder : Core Grades [CLOSED] (1983-1995)
- CDPC 1/43 Folder : Texts 1992-1993
- CDPC 1/44 Folder : Curriculum (1979-1990)
- CDPC 1/45 Folder : Exams 1980-1983
- CDPC 1/46 Folder : Exams & Texts 1981-1988
- CDPC 1/47 Folder : Grades [CLOSED] 1980-1986
- CDPC 1/48 Folder : Text 1975-1976
- CDPC 1/49 Folder : Text & Exams 1978-1983
- CDPC 2/01 Folder : Costello, Donald - Study Question Subjects 1979-1983
- CDPC 2/02 Folder : From Script to Screen 1979
- CDPC 2/03 Folder : Freshman Seminar 1972-1976
- CDPC 2/04 Folder : Freshman Year of Studies 1980s
- CDPC 2/05 Folder : Publication Workshop 1978
- CDPC 2/06-29 Subseries : Graduate School 1975-1989
- CDPC 2/06 Folder : Graduate Studies 1971-1978
- CDPC 2/07 Folder : Graduate School 1976-1977
- CDPC 2/08 Folder : Advisees 1978-1984
- CDPC 2/09 Folder : Dakoske, [Mary Beth] 1979-1980
- CDPC 2/10 Folder : Dissertations 1980-1981
- CDPC 2/11 Folder : Fenlon, Patty 1980
- CDPC 2/12-13 Folder : Graduate Advisees 1975-1986
- CDPC 2/14 Folder : Graduate Program 1989
- CDPC 2/15 Folder : Graduate Students 1978-1986
- CDPC 2/16 Folder : GSC [Graduate Studies Committee] 1978-1980
- CDPC 2/17 Folder : Carla Johnson 1988
- CDPC 2/18 Folder : Leahy, Sharon 1971-1989
- CDPC 2/19 Folder : MA Exams 1979-1980
- CDPC 2/20 Folder : Holly Martin 1981-1983
- CDPC 2/21 Folder : Fearing, Scott 1980
- CDPC 2/22 Folder : Reports 1977-1978
- CDPC 2/23 Folder : Rios, [Charlotte] 1978-1980
- CDPC 2/24 Folder : Rules 1975,1978
- CDPC 2/25 Folder : Special Studies 1988-1989
- CDPC 2/26 Folder : Kathleen Sullivan 1985-1987
- CDPC 2/27 Folder : Summer Session 1978-1979
- CDPC 2/28 Folder : Kathleen Trainer 1979-1988
- CDPC 2/29 Folder : Student Writing 1972
- CDPC 3/01-8 Subseries : Foreign Studies 1973-1976
- CDPC 3/01 Folder : Innsbruck - Parents & Students 1973-1976
- CDPC 3/02-3 Folder : Innsbruck - ND Correspondence 1973-1975
- CDPC 3/04 Folder : Foreign Studies 1975
- CDPC 3/05 Folder : Party c1975
- CDPC 3/06 Folder : Foreign Study 1980
- CDPC 3/07 Folder : Lancaster University 1991
- CDPC 3/08 Folder : London 1985
- CDPC 3/09-24 Subseries : English Department 1976-1991
- CDPC 3/09 Folder : TCE [Teacher Course Evaluation] 1986-1993
- CDPC 3/10 Folder : Course & Teacher Evaluations 1979-1992
- CDPC 3/11 Folder : Student Comments 1980s
- CDPC 3/12 Folder : Special Academic Approvals 1980s
- CDPC 3/13 Folder : English Department - Meetings 1974-1986
- CDPC 3/14 Folder : Department of English 1979-1989
- CDPC 3/15 Folder : Kline, [Edward] 1978
- CDPC 3/16 Folder : Freshman Writing 1980s
- CDPC 3/17 Folder : Library 1976
- CDPC 3/18 Folder : AMST [American Studies] Move 1979,1987
- CDPC 3/19 Folder : Footnotes 1972-1979
- CDPC 3/20 Folder : Teacher Training 1969