- UPEL 64/17 Letter : Hugh L. Mason to AM 1898/0906
- UPEL 64/17 Letter : Charles M. Niezer to AM 1898/0906
- UPEL 64/17 Letter : E.C. McConn to AM 1898/0907
- UPEL 64/17 Letter : John Meagher to AM 1898/0908
- UPEL 64/17 Letter : Anne Day Mayes to AM 1898/0908
- UPEL 64/17 Letter : Thomas A. Medley to AM 1898/0909
- UPEL 64/18 Letter : T.D. Ryan / The Commercial National Bank to AM; regarding J.P. McCormick 1898/0909
- UPEL 64/18 Letter : John Moloney to AM 1898/0909
- UPEL 64/18 Letter : E.C. Morrissey to AM 1898/0909
- UPEL 64/18 Letter : John F. Murray to AM 1898/0910
- UPEL 64/18 Letter : Beulah Maxey to AM 1898/0910
- UPEL 64/18 Letter : Sisters of the Holy Cross; regarding Willie Moore 1898/0910
- UPEL 64/18 Letter : James Morgan and Wife to AM 1898/0910
- UPEL 64/18 Letter : Stewart McDonald to AM 1898/0911
- UPEL 64/18 Letter : A.McMahon to AM 1898/0912
- UPEL 64/18 Letter : John Morris to AM 1898/0913
- UPEL 64/18 Letter : Henry Moeller to Frank Wilson; Dr. Bertling 1898/0913
- UPEL 64/18 Letter : John M. Morris to AM 1898/0914
- UPEL 64/18 Letter : T. O'Sullivan to AM; regarding Daniel Mahoney 1898/0914
- UPEL 64/18 Letter : James Morgan to Dear Father 1898/0915
- UPEL 64/18 Letter : Mrs. M. McGeeney to AM 1898/0915
- UPEL 64/18 Letter : James Marley to Mr. President 1898/0915
- UPEL 64/19 Letter : Stockdale Mitchell to AM 1898/0916
- UPEL 64/19 Letter : William J. Moxley to AM 1898/0917
- UPEL 64/19 Letter : Jennie R. Maher to AM 1898/0917
- UPEL 64/19 Letter : Henry Mueller to AM 1898/0918
- UPEL 64/19 Letter : G.A. Collins to AM; regarding W.J. McGuire 1898/0918
- UPEL 64/19 Letter : Peter Maurin to AM 1898/0919
- UPEL 64/19 Letter : Mrs. W.P. Norton to AM 1898/0919
- UPEL 64/19 Letter : Joseph A. McGinnis to AM 1898/0919
- UPEL 64/19 Letter : Fannie McDaniel [?] to AM 1898/0919
- UPEL 64/19 Letter : Anne Day Mayes to AM 1898/0920
- UPEL 64/19 Letter : S.W. McFarland to AM 1898/0920
- UPEL 64/19 Letter : Mrs. M. McGeeney to Reverend Sir 1898/0920
- UPEL 64/19 Letter : J. McGinnis to AM 1898/0920
- UPEL 64/20 Letter : John Morris to AM 1898/0922
- UPEL 64/20 Letter : L.M. Griskin [?] to AM 1898/0922
- UPEL 64/20 Letter : P. Monahan to AM 1898/0923
- UPEL 64/20 Letter : William M. McCabe to Mr. President 1898/0924
- UPEL 64/20 Letter : E.F. McGorrisk to AM 1898/0924
- UPEL 64/20 Letter : Mrs. D. McCarthy to AM 1898/0925
- UPEL 64/20 Letter : A. McMahon to Brother Albius 1898/0926
- UPEL 64/20 Letter : Jennie M. Ninnemann to AM 1898/0926
- UPEL 64/20 Letter : Charles Martin to AM 1898/0928
- UPEL 64/20 Letter : W.F. Clement to AM 1898/0928
- UPEL 64/20 Letter : Hiram McCollum to AM 1898/0929
- UPEL 64/20 Letter : J.F. Nugent to AM 1898/0929
- UPEL 64/20 Letter : E.W. Nash to AM 1898/0929
- UPEL 64/20 Letter : John Meagher to AM 1898/0929
- UPEL 64/20 Letter : James Morgan to AM 1898/0929
- UPEL 64/20 Letter : Mrs. Thomas McGuire to AM 1898/0930
- UPEL 64/20 Letter : Charles W. Moores to AM 1898/0930
- UPEL 64/20 Letter : Ney Mikels to Dear Sir 1898/0930
- UPEL 64/21 Letter : D.H. McBride to Brother Paul Hermit 1898/1003
- UPEL 64/21 Letter : Antoinette McGuire to AM 1898/1004
- UPEL 64/21 Letter : Luther W. McDonell to AM 1898/1004
- UPEL 64/21 Letter : Mrs. M. McGeeney to AM 1898/1006
- UPEL 64/21 Letter : D.H. McBride to Brother Paul Hermit 1898/1008
- UPEL 64/21 Letter : John Morris to AM 1898/1010
- UPEL 64/21 Letter : John McDonough to AM 1898/1010
- UPEL 64/21 Letter : Mrs. P. Norton to AM 1898/1011
- UPEL 64/21 Letter : F.F. McIver to AM 1898/1012
- UPEL 64/21 Letter : John E. Mahoney to AM 1898/1012
- UPEL 64/21 Letter : Mrs. McGeeney to AM 1898/1014
- UPEL 64/21 Letter : T.W. Moorhead to AM 1898/1014
- UPEL 64/21 Letter : P. McLaughlin to AM 1898/1017
- UPEL 64/21 Letter : Beulah Maxey to Dear Sir 1898/1017
- UPEL 64/21 Letter : Mrs. John F. Moylan to AM 1898/1017
- UPEL 64/22 Letter : P. McLaughlin to AM 1898/1018
- UPEL 64/22 Letter : Ed McCarthy Jr to William Hoynes 1898/1018
- UPEL 64/22 Letter : Mrs. McGeeney to AM 1898/1020
- UPEL 64/22 Letter : John M. Mackey to AM; regarding Alfred Denghausen 1898/1020
- UPEL 64/22 Letter : The MacMillan Company to Brother Paul Hermit 1898/1021
- UPEL 64/22 Letter : P. Mulcrone to AM 1898/1024
- UPEL 64/22 Letter : Hugo Marquard to AM; regarding Leopoldo Rincon 1898/1027
- UPEL 64/22 Letter : J. McDermott to AM 1898/1027
- UPEL 64/22 Letter : Mrs. McGeeney to AM 1898/1030
- UPEL 64/22 Letter : Mrs. P. McCormick to AM 1898/1030
- UPEL 64/22 Letter : L.M. Meehan to AM 1898/1031
- UPEL 64/23 Letter : J.H. Maxcy to Brother Paul Hermit 1898/1101
- UPEL 64/23 Letter : G.T. Nelson to AM 1898/1101
- UPEL 64/23 Letter : H.W. McCorry Jr. to AM 1898/1102
- UPEL 64/23 Letter : M. Naughton to AM 1898/1103
- UPEL 64/23 Letter : Mrs. McIntire for Helen St. Claire to AM; regarding Huntington St. Claire 1898/1103
- UPEL 64/23 Letter : John A. McNamara to AM 1898/1103
- UPEL 64/23 Letter : G.T. Nelson to AM 1898/1105
- UPEL 64/23 Letter : Mrs. McGeeney to AM 1898/1106
- UPEL 64/23 Letter : John Morris to AM 1898/1107
- UPEL 64/23 Letter : J.R. McColl to James French; regarding M.J. Condon 1898/1107
- UPEL 64/23 Letter : A.F. Kelly / Mandel Brothers to UND; regarding Leo Adler 1898/1109
- UPEL 64/23 Letter : Mrs. J.F. McKinney to AM 1898/1109
- UPEL 64/23 Letter : Brother Marcellinus to AM 1898/1109
- UPEL 64/23 Letter : Peter Manderfeld to Brother Alexander 1898/1109
- UPEL 64/23 Letter : John M. Morris to AM 1898/1109
- UPEL 64/23 Letter : Charles H. McDonell to AM 1898/1110
- UPEL 64/23 Letter : Anselmus Mueller to AM; regarding Mr. Preston's death 1898/1111
- UPEL 64/23 Letter : C.A. Malone to AM 1898/1111
- UPEL 64/24 Letter : J.M. McCormack to AM 1898/1114
- UPEL 64/24 Letter : Mrs. D. McGuire to AM 1898/1116
- UPEL 64/24 Letter : James McNally to AM; regarding Mrs. C. Donovan 1898/1116