- CMCA : Thomas Timothy McAvoy: Manuscripts
- CMCA 1-08 Series : Correspondence
- CMCA 1-06 Subseries : Chronological 1936-1969
- CMCA 1 Group : Correspondence 1936-1950
- CMCA 2 Group : Correspondence 1950-1957
- CMCA 3 Group : Correspondence 1958-1965
- CMCA 4 Group : Correspondence 1966-1967
- CMCA 5 Group : Correspondence 1967-1969
- CMCA 6 Subseries : Letters Sent 1966-1967
- CMCA 7 Subseries : Alphabetical Correspondence
- CMCA 8 Subseries : Correspondence with University of Notre Dame Officers
- CMCA 8 Subject : Grants and Fellowships, Symposia and Lectures
- CMCA 9-30 Series : Subject Files
- CMCA 9-10 Subseries : Organizations
- CMCA 11-12 Subseries : Congregation of Holy Cross (CSC)
- CMCA 13 Subseries : Trip to Europe
- CMCA 14 Subseries : Class and Lecture Notes
- CMCA 15 Subseries : History Department / Teaching
- CMCA 16 Subseries : Research Notes
- CMCA 17-26 Subseries : Writing
- CMCA 19 Document : Correspondence and Notes re Writing
- CMCA 20-22 Subseries : Dissertation
- CMCA 23-24 Subseries : Americanism
- CMCA 25-26 Subseries : Articles, Manuscripts
- CMCA 25 Group : Articles, Manuscripts, Untitled and A - H
- CMCA 26 Group : Articles, Manuscripts, I - Z
- CMCA 27 Subseries : Manuscripts and Documents by Others
- CMCA 28 Subseries : Address Books, Diary and Personal Records
- CMCA 29 Subseries : Miscellaneous
- CMCA 30 Subseries : Obituaries, Condolences, Clippings, Biographical Sketches
- PMCA : Thomas Timothy McAvoy: Printed Material