Letter Books - Indexed Series - #1-1449
- CHUR #1102 Correspondent : Millar, John J. 2p (34)
- CHUR #1103 Correspondent : Milliron, Ira A. 4p (34)
- CHUR #1104 Correspondent : Wilson Welder and Metals Company: Galena-Signal Oil Company- (34) Charles Miller, Edward V. Sedgwick, W.E. Syons 10p (34)
- CHUR #1105 Correspondent : Miller, John Gibbons 5p (34)
- CHUR #1106 Correspondent : Minotto, James 5p (34)
- CHUR #1107 Correspondent : List of Names- personnel 71p (34)
- CHUR #1108 Correspondent : Carr, Julian S. 2p (34)
- CHUR #1109 Correspondent : Meriwether, Walter S. 12p (34)
- CHUR #1110 Correspondent : Merriman, D.A. 10p (34)
- CHUR #1111 Correspondent : Metal Export Company of America- Albert A. Moers 7p (34)
- CHUR #1112 Correspondent : Metropolitan Club- John F. Wilkins, Woodbury Blair, (34) D.G. Shanks, Reginald S. Huydekoper, C.E. Butler 63p (34)
- CHUR #1113 Correspondent : Meyercord Company 10P (34)
- CHUR #1114 Correspondent : Michaelis, George 9p (34)
- CHUR #1115 Correspondent : Millard, Clifford I. 3p (34)
- CHUR 4/01 Folder : Letter Book 35 - Letters #1116-1155
- CHUR #1116 Correspondent : Miller, John H. 3p (35)
- CHUR #1117 Correspondent : Niles-Bement-Pond Company- George F. Mills 5p (35)
- CHUR #1118 Correspondent : Miner, W.H. 16p (35)
- CHUR #1119 Correspondent : Illinois Trust and Savings Bank- J.J. Mitchell 25p (35)
- CHUR #1120 Correspondent : Mix, Charles L. 7p (35)
- CHUR #1121 Correspondent : Newport News Shipyard 3p (35)
- CHUR #1122 Correspondent : Morris, Arthur J.- Industrial Finance Corporation 7p (35)
- CHUR #1123 Correspondent : P.K. Wilson and Son- F.B. Moland 3p (35)
- CHUR #1124 Correspondent : Monell, Ambrose 33p (35)
- CHUR #1125 Correspondent : Montague, Gilbert H. 5p (35)
- CHUR #1126 Correspondent : Moorhead, James 2p (35)
- CHUR #1127 Correspondent : Morey and Thomas- Richard Morey, George Green 4p (35)
- CHUR #1128 Correspondent : Domestic Laundry Equipment Corporation- A.E. Morford 3p (35)
- CHUR #1129 Correspondent : Morgan, Henry 2p (35)
- CHUR #1130 Correspondent : Morrill, Roy H. 2p (35)
- CHUR #1131 Correspondent : Murray and Morrissey- M.M. Morrissey 3p (35)
- CHUR #1132 Correspondent : American Sashand Door Company- F.J. Moss 2p (35)
- CHUR #1133 Correspondent : Electric Club - Jovian League- H.A. Mott 2p (35)
- CHUR #1134 Correspondent : Moffett, William A. 8p (35)
- CHUR #1135 Correspondent : Morrow, James B. 5p (35)
- CHUR #1136 Correspondent : Morrison, Sidney J. 4p (35)
- CHUR #1137 Correspondent : Murphy, Agnes M. 8p (35)
- CHUR #1138 Correspondent : Munford, Irving H. 23p (35)
- CHUR #1139 Correspondent : National War Work Council- John R. Mott 2p (35)
- CHUR #1140 Correspondent : Murphy, John D. 5p (35)
- CHUR #1141 Correspondent : Muchnic, Charles M. 5p (35)
- CHUR #1142 Correspondent : Cramps Shipbuilding Company- J.H. Mull 2p (35)
- CHUR #1143 Correspondent : Muller, Jean Paul 2p (35)
- CHUR #1144 Correspondent : American Machinist- A. Muniz 2p (35)
- CHUR #1145 Correspondent : Maynard H. Murch Company- M.H. Murch 3p (35)
- CHUR #1146 Correspondent : Murphy, Edwin Leo 2p (35)
- CHUR #1147 Correspondent : Murphy, J.B. 14p (35)
- CHUR #1148 Correspondent : Murphy, M.W. 2p (35)
- CHUR #1149 Correspondent : Murphy, Richard J. 3p (35)
- CHUR #1150 Correspondent : France Maritime- Paul Musset 2p (35)
- CHUR #1151 Correspondent : Archdiocese of Chicago- Archbishop George W. Mundelein 3p (35)
- CHUR #1152 Correspondent : National Catholic War Council- P.J. Muldoon, David Hinshaw 26p
- CHUR #1153 Correspondent : Mechanical Efficiency Company- Casimir Gehring 4p (35)
- CHUR #1154 Correspondent : Murdock, Charles 2p (35)
- CHUR #1155 Correspondent : Indianapolis Cordage Company- S.T. Murdock 7p (35)
- CHUR 4/02 Folder : Letter Book 36 - Letters #1156-1167
- CHUR #1156 Correspondent : Murphy, Daniel 9p (36)
- CHUR #1157 Correspondent : Murphy, Grayson M.P. 6p (36)
- CHUR #1158 Correspondent : Murray, A.C. 4p (36)
- CHUR #1159 Correspondent : Murtaugh, T. Edward 6p (36)
- CHUR #1160 Correspondent : Thomas Myles' Sons- W.H. Myles 5p (36)
- CHUR #1161 Correspondent : The Nation 2p (36)
- CHUR #1162 Correspondent : National Coffee Roasters Association 3p (36)
- CHUR #1163 Correspondent : National Cyclopedia of American Biography- George Derby 5p (36)
- CHUR #1164 Correspondent : National Geographic Society- John Joy Edson 3p (36)
- CHUR #1165 Correspondent : Missing (36)
- CHUR #1166 Correspondent : National Magazine- Joe Mitchell Chapple 4p (36)
- CHUR #1167 Correspondent : Nautical Gazette- George A. March, Schuyler N. Warren, Jr. 5p
- CHUR 4/03 Folder : Letter Book 37 - Letters #1168-1190
- CHUR #1168 Correspondent : Secretary to President- Joseph R. Tumulty 118p (37)
- CHUR #1169 Correspondent : National Coal Association- J.D.A. Morrow 4p (37)
- CHUR #1170 Correspondent : National Bureau of Analysis- F.G. Soule 16p (37)
- CHUR #1171 Correspondent : New York Commissioner of Docks and Ferries- Murray Hulbert 10p
- CHUR #1172 Correspondent : Lee, Higginson and Company- Frederic W. Allen 5p (37)
- CHUR #1173 Correspondent : Associated Business Papers- Jesse H. Neal 3p (37)
- CHUR #1174 Correspondent : Neimann, William K. 2p (37)
- CHUR #1175 Correspondent : Ehn, William 3p (37)
- CHUR #1176 Correspondent : Nevin, John Edwin 4p (37)
- CHUR #1177 Correspondent : Candler Brothers and Company- E.S. Pitell 2p (37)
- CHUR #1178 Correspondent : New York Central Railroad- L.F. Vosburgh 3p (37)
- CHUR #1179 Correspondent : New York Illustrated Press Association- T.C. Bigelow 4p (37)
- CHUR #1180 Correspondent : New York State Nautical School- Felix Riesenberg 4p (37)
- CHUR #1181 Correspondent : Newman, E.M. 4p (37)
- CHUR #1182 Correspondent : Newman Cavallon Company- S.B. Newman 3p (37)
- CHUR #1183 Correspondent : Nicol, L. 3p (37)
- CHUR #1184 Correspondent : George C. Nimmons and Company 3p (37)
- CHUR #1185 Correspondent : Nicholson, John R. 3p (37)
- CHUR #1186 Correspondent : Newbert, W.F. 9p (37)
- CHUR #1187 Correspondent : Newman School- C. Edmund Delbos 4p (37)
- CHUR #1188 Correspondent : Newton, Robert C. 17p (37)
- CHUR #1189 Correspondent : New York Commercial- D.D. Glassford, M.P. Moseley 11p (37)
- CHUR #1190 Correspondent : John V. Farwell Company- E.P. Nerney 9p (37)
- CHUR 4/04 Folder : Letter Book 38 - Letters #1191-1220
- CHUR #1191 Correspondent : American Industrial Commission- W.W. Nichols 5p (38)
- CHUR #1192 Correspondent : Nicholson, William J. 76p (38)
- CHUR #1193 Correspondent : Norton, Phil 2p (38)
- CHUR #1194 Correspondent : Noble, Estabrook and McHarg- Herbert Noble 3p (38)
- CHUR #1195 Correspondent : McAndrews, John E. 2p (38)
- CHUR #1196 Correspondent : North Central Association 3p (38)
- CHUR #1197 Correspondent : Nettleton, William A. 4p (38)