- COCN : Lillian O'Connor: Manuscripts
- COCN 1 Series : Correspondence 1967-1984
- COCN 1/01 Folder : Correspondence / Undated nd
- COCN 1/01 Letter : Lillian O'Connor to Margaret Mealey nd
- COCN 1/01 Letter : Lillian O'Connor to Margaret Mealey nd
- COCN 1/01 Letter : Jean Samine (?) to Mary Helen N. (?) nd
- COCN 1/01 Letter : Betty Aiken (?) to Lillian O'Connor nd
- COCN 1/01 Letter : Lillian O'Connor to Kathleen Burrow nd
- COCN 1/01 Letter : Marge Brooks to Lillian O'Connor (?) nd
- COCN 1/01 Letter : Jean Feffer (?) to Lillian O'Connor nd
- COCN 1/01 Letter : St. Mary's Catholic Women's League to Lillian O'Connor nd
- COCN 1/01 Letter : Unknown to Unknown nd
- COCN 1/01 Letter : Marie O'Connor to Lillian O'Connor nd
- COCN 1/01 Letter : Sister Mary J. Paul to Lillian O'Connor nd
- COCN 1/01 Letter : Lillian O'Connor to Elizabeth Lovatt-Dolan nd
- COCN 1/01 Letter : Headea Hersay (?) to Lillian O'Connor nd
- COCN 1/01 Letter : Aela (?) to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Eileen O'Connor nd
- COCN 1/01 Letter : Unknown to Margaret Mealey nd
- COCN 1/01 Letter : Mary S. to Lillian O'Connor nd
- COCN 1/01 Letter : Pilar Bellosillo to Mrs. Walsh nd
- COCN 1/01 Letter : Unknown to Pilar Bellosillo nd
- COCN 1/01 Letter : Denise Peeters to Lillian O'Connor nd
- COCN 1/01 Letter : Dominique Goudreault to Lillian O'Connor nd
- COCN 1/01 Letter : Margaret Mealey to Lillian O'Connor nd
- COCN 1/01 Letter : Vera to Lillian O'Connor nd
- COCN 1/01 Letter : Clare Badaracco to Lillian O'Connor nd
- COCN 1/01 Letter : Louise Coulihan to Lillian O'Connor nd
- COCN 1/02 Folder : Correspondence / 1967-1969 1967-1969
- COCN 1/02 Letter : Gead (?) to Eileen O'Connor 1967/0414
- COCN 1/02 Letter : Carmen Victory to Lillian O'Connor 1967/0503
- COCN 1/02 Letter : Marie Thompson to Lillian O'Connor 1967/0531
- COCN 1/02 Letter : Lillian O'Connor to Marie Thompson 1967/0804
- COCN 1/02 Letter : Marie Thompson to Lillian O'Connor 1967/0812
- COCN 1/02 Letter : Marie Thompson to Lillian O'Connor 1967/0829
- COCN 1/02 Letter : R.A. Riviere to Lillian O'Connor 1968/0127
- COCN 1/02 Letter : Rita Rivere to Lillian O'Connor 1968/0329
- COCN 1/02 Letter : Elizabeth Lovatt-Dolan to Lillian O'Connor 1968/0401
- COCN 1/02 Letter : Elizabeth Lovatt-Dolan to Lillian O'Connor 1968/0401
- COCN 1/02 Letter : O. Gross to Lillian O'Connor 1968/0419
- COCN 1/02 Letter : O. Gross to Lillian O'Connor 1968/0426
- COCN 1/02 Letter : Pilar Bellosillo to Marie Thompson 1968/0504
- COCN 1/02 Letter : Denise Peeters to Lillian O'Connor 1968/0504
- COCN 1/02 Letter : Margaret Mealey to Mademoiselle du Rostu 1968/0703
- COCN 1/02 Letter : Denise Peeters to Lillian O'Connor 1968/0810
- COCN 1/02 Letter : Lillian O'Connor to K.L. Byers 1968/0905
- COCN 1/02 Letter : Valentine Buisseret to Lillian O'Connor 1968/1128
- COCN 1/02 Letter : Denise Peeters to Lillian O'Connor 1968/1129
- COCN 1/02 Letter : A. Geoghegan to Lillian O'Connor 1968/1202
- COCN 1/02 Letter : Denise Peeters to Lillian O'Connor 1968/1219
- COCN 1/02 Letter : Lillian O'Connor to Mlle. du Rostu 1969/0121
- COCN 1/02 Letter : Lillian O'Connor to Mlle. du Rostu 1969/0130
- COCN 1/02 Letter : Mlle. du Rostu to Lillian O'Connor 1969/0130
- COCN 1/02 Letter : Mlle. du Rostu to Lillian O'Connor 1969/0214
- COCN 1/02 Letter : Rita Rivere to Lillian O'Connor 1969/0303
- COCN 1/02 Letter : Mlle. du Rostu to Lillian O'Connor 1969/0310
- COCN 1/02 Letter : R. Level to Lillian O'Connor 1969/0317
- COCN 1/02 Letter : Mlle. du Rostu to Lillian O'Connor 1969/0226
- COCN 1/02 Letter : Lillian O'Connor to Sister Joan Bland 1969/0328
- COCN 1/02 Letter : Catherine Schaefer to Marguerite Pingaud 1969/0331
- COCN 1/02 Letter : Mlle. du Rostu to Lillian O'Connor 1969/0402
- COCN 1/02 Letter : Lillian O'Connor to Mlle. du Rostu 1969/0407
- COCN 1/02 Letter : M. Humphries (?) to Lillian O'Connor 1969/0627
- COCN 1/02 Letter : Kathleen to Pilar Bellosillo 1969/0813
- COCN 1/02 Letter : M. Pingaud to Lillian O'Connor 1969/1003
- COCN 1/02 Letter : Margaret Mealey to Lillian O'Connor 1969/1111
- COCN 1/02 Letter : Kathleen Burrow to Lillian O'Connor 1969/1129
- COCN 1/02 Letter : M. Pingaud to Lillian O'Connor 1969/1203
- COCN 1/03 Folder : Correspondence / 1970 1970
- COCN 1/03 Letter : C.M. Bride to Lillian O'Connor 1970/0208
- COCN 1/03 Letter : Frances Gregory to Lillian O'Connor 1970/0212
- COCN 1/03 Letter : J. Stuyt to Eileen M. Houston 1970/0218
- COCN 1/03 Letter : Pilar Bellosillo to Lillian O'Connor 1970/0224
- COCN 1/03 Letter : Pilar Bellosillo to Lillian O'Connor 1970/0224
- COCN 1/03 Letter : Jacquie (?) to Lillian O'Connor 1970/0303
- COCN 1/03 Letter : Pacita Z. Araneta to Pilar Bellosillo 1970/0311
- COCN 1/03 Letter : R.J. Delargey, D.D. to N. Alexander 1970/0324
- COCN 1/03 Letter : Lesley Lang to Lillian O'Connor 1970/0426
- COCN 1/03 Letter : C.M. Bride to Lillian O'Connor 1970/0511
- COCN 1/03 Letter : Jacqueline Stutt to R.J. Delargey 1970/0521
- COCN 1/03 Letter : Jacqueline Stutt to Rufino J. Santos 1970/0521
- COCN 1/03 Letter : Jacqueline Stutt to James Robert Knox 1970/0522
- COCN 1/03 Letter : Jacqueline Stutt to Norman Thomas Gilroy 1970/0523
- COCN 1/03 Letter : R. Level to Lillian O'Connor 1970/0525
- COCN 1/03 Letter : Kathleen Burrow to Lillian O'Connor 1970/0529
- COCN 1/03 Letter : Margaret Mealey to Eileen O'Connor 1970/0530
- COCN 1/03 Letter : Lillian O'Connor to Lesley Lang 1970/0607
- COCN 1/03 Letter : Lillian O'Connor to M. Falvey 1970/0607
- COCN 1/03 Letter : Lillian O'Connor to Wallace Chandler 1970/0610