- UPEL 63/04 Letter : P. Mulcrone to AM 1897/1126
- UPEL 63/04 Letter : John Juretich to AM 1897/1129
- UPEL 63/04 Letter : Brother Marcellinus to AM 1897/1129
- UPEL 63/04 Letter : Frank A. Morgan to AM; regarding Torbett Co. 1897/1130
- UPEL 63/05 Letter : Jesse W. Lantry to AM 1897/1203
- UPEL 63/05 Letter : George W. Kellner to AM 1897/1203
- UPEL 63/05 Letter : P.A. Murray to AM 1897/1203
- UPEL 63/05 Letter : J.C. Murphy to AM 1897/1203
- UPEL 63/05 Letter : J.Z. Miller to AM 1897/1206
- UPEL 63/05 Letter : J.Z. Miller to AM 1897/1206
- UPEL 63/05 Letter : Rafael de la Mora to AM 1897/1207
- UPEL 63/05 Letter : Mrs. John A. Montague to AM 1897/1208
- UPEL 63/05 Letter : Mr. and Mrs. E.C. Morrissey to AM 1897/1208
- UPEL 63/05 Letter : Memphis Trust Company to UND; regarding S.J. Sullivan 1897/1208
- UPEL 63/05 Letter : George W. Kellner to Reverend Father 1897/1208
- UPEL 63/05 Letter : Emma Whitehead Johnson to Editor of the Scholastic 1897/1209
- UPEL 63/05 Letter : J.B. Leonard to AM 1897/1211
- UPEL 63/05 Letter : Lucy Halls to AM, regarding Pierce Jerrell 1897/1211
- UPEL 63/05 Letter : J.J. Lampert to AM 1897/1213
- UPEL 63/05 Letter : Mamma [Mrs. N.M. Land] to Dear Willie [Land] 1897/1213
- UPEL 63/05 Letter : W.W. Leib to AM 1897/1214
- UPEL 63/05 Letter : Mama [Mrs. J.A. Kelly] to Leo [Kelly] 1897/1215
- UPEL 63/05 Letter : Peter M. Kuntz to Brother Paul Hermit 1897/1216
- UPEL 63/05 Letter : John Meagher to Dear Louis 1897/1217
- UPEL 63/05 Letter : John Meagher to AM 1897/1217
- UPEL 63/05 Letter : John Meagher to UND 1897/1218
- UPEL 63/06 Letter : Francis J. Lammer to AM 1897/1219
- UPEL 63/06 Letter : Sister Mary Sienna / St. Mary's Academy to AM 1897/1219
- UPEL 63/06 Letter : John Kuhl to AM 1897/1220
- UPEL 63/06 Letter : Clara Murray to AM 1897/1220
- UPEL 63/06 Letter : W.W. Mattox to AM 1897/1221
- UPEL 63/06 Letter : Henry P. Morris / U.S. Consul, Ghent, Belgium to AM; regarding Mrs. Van Hee 1897/1221
- UPEL 63/06 Letter : Thomas J. Mooney to AM 1897/1222
- UPEL 63/06 Letter : Brother Marcellus to Brother Paul Hermit 1897/1224
- UPEL 63/06 Letter : D.P. Murphy to Brother Paul Hermit 1897/1224
- UPEL 63/06 Letter : Leo J. Kelly to Brother Alexander 1897/1227
- UPEL 63/06 Letter : E.B. Kilroy to Very Rev. Dear Father 1897/1229
- UPEL 63/06 Letter : F.X. Katzer, Archbishop of Milwaukee to AM 1897/1230
- UPEL 63/06 Letter : A.G. Luken to AM 1897/1230
- UPEL 63/06 Letter : Lena B. Lardner to AM 1897/1230
- UPEL 63/06 Letter : Frank A. Kaul to AM 1897/1230
- UPEL 63/06 Letter : Jennie M. Minneman to AM 1897/1230
- UPEL 63/06 Letter : Patrick Murphy to AM 1897/1231
- UPEL 63/07 Letter : E.B. Kilroy to Editor Notre Dame Scholastic 1898/0103
- UPEL 63/07 Letter : Jasper E. Lewis / Post Commander, Auten, Department of Indiana, Grand Army of the Republic to Senior Vice Commander of Notre Dame Post, GAR; regarding Father Corby's Death 1898/0103
- UPEL 63/07 Letter : A.A. Lambing to AM 1898/0104
- UPEL 63/07 Letter : Victor L. Littig to Mr. Secretary 1898/0105
- UPEL 63/07 Letter : D. Kiely to AM; regarding Charles Keith 1898/0105
- UPEL 63/07 Letter : Hugh Huleatt to AM 1898/0105
- UPEL 63/07 Letter : P.J. Muldoon to AM 1898/0106
- UPEL 63/07 Letter : W.J. Jackson to AM 1898/0106
- UPEL 63/07 Letter : Charles Haussner to AM; regarding Alfred J. Richon 1898/0106
- UPEL 63/07 Letter : H. Kopp to AM 1898/0107
- UPEL 63/07 Letter : Thomas J. Kinsella to AM 1898/0107
- UPEL 63/07 Letter : Nellie F. King to AM 1898/0108
- UPEL 63/07 Letter : St.Clair A. Mulholland to AM 1898/0108
- UPEL 63/07 Letter : E.C. Morrissey to AM 1898/0110
- UPEL 63/07 Letter : Anna Kelly to AM 1898/0111
- UPEL 63/07 Letter : J.F. Mannion to AM 1898/0112
- UPEL 63/07 Letter : Nicholas Michels to President Notre Dame College 1898/0114
- UPEL 63/08 Letter : D.A. Clarke to AM; regarding Mrs. J.M. Morris 1898/0115
- UPEL 63/08 Letter : W. Musser to AM 1898/0118
- UPEL 63/08 Letter : Mother [Mrs. J.M. Morris] to My Dearest John [Morris] 1898/0119
- UPEL 63/08 Letter : Thomas Mingey to AM 1898/0119
- UPEL 63/08 Letter : J.H. Mulligan to AM 1898/0120
- UPEL 63/08 Letter : F.A. King to Editor of Scholastic 1898/0120
- UPEL 63/08 Letter : C. Kennedy to AM 1898/0120
- UPEL 63/08 Letter : J.A. Kangley to AM 1898/0121
- UPEL 63/08 Letter : A.G. Luken to AM 1898/0122
- UPEL 63/08 Letter : Eugenia Leclerque to AM 1898/0124
- UPEL 63/08 Letter : Mrs. M. Land to AM 1898/0124
- UPEL 63/08 Letter : Mrs. B. Kessler to AM 1898/0128
- UPEL 63/08 Letter : B. Biegel to Very Rev. President of Notre Dame; regarding Leo Kramer 1898/0129
- UPEL 63/08 Letter : Annie Kelly to AM 1898/0130
- UPEL 63/08 Letter : J.G. LaSarre to President of NDU 1898/0131
- UPEL 63/09 Letter : A.J. Klein to AM 1898/0201
- UPEL 63/09 Letter : Eugenia Leclerque to AM 1898/0201
- UPEL 63/09 Letter : J.J. Lampert to AM 1898/0201
- UPEL 63/09 Letter : John Kangley to AM 1898/0202
- UPEL 63/09 Letter : A.D. Leach to AM 1898/0203
- UPEL 63/09 Letter : William Kuhlmann to AM 1898/0205
- UPEL 63/09 Letter : W.B. McArthur to AM; regarding George W. and Thomas Jackson 1898/0208
- UPEL 63/09 Letter : A.D. Leach to AM 1898/0210
- UPEL 63/09 Letter : W.J. Jackson to AM 1898/0210
- UPEL 63/09 Letter : Mrs. J. Lindsay Johnson to AM 1898/0214
- UPEL 63/09 Letter : James S. Kirk and Company to AM 1898/0218
- UPEL 63/09 Letter : Thomas Kennedy to AM 1898/0219
- UPEL 63/09 Letter : N.D. Laughlin to AM 1898/0220
- UPEL 63/09 Letter : Mrs. J. Lindsay Johnson / The Georgian to AM 1898/0224
- UPEL 63/09 Letter : D.M. Luce to AM 1898/0224
- UPEL 63/09 Letter : J.J. Lampert to AM 1898/0225
- UPEL 63/09 Letter : Ferdinand F. Lutz to AM 1898/0228
- UPEL 63/10 Letter : H.B. Lansdowne to AM 1898/0301
- UPEL 63/10 Letter : John C. Linehan / American-Irish Historical Society to AM 1898/0301
- UPEL 63/10 Letter : Agnes Landers to AM 1898/0302
- UPEL 63/10 Letter : Father [Frank P. Leffingwell] to My Dear Chick [Charles Leffingwell] 1898/0303
- UPEL 63/10 Letter : Mrs. T. Kirwan to My Dear Son [John Kirwan] 1898/0307
- UPEL 63/10 Letter : James D. Murphy to AM 1898/0309
- UPEL 63/10 Letter : Mama and Papa and Sisters [George W. Jackson] to My Dear Son Thomas 1898/0309
- UPEL 63/10 Letter : M.H. Kilgallen to AM 1898/0312