- MLEO 3/145 Recipient : Chancery of Vienna 1837/0305
- MLEO 3/146 Author : Hammer, Clemens (Father-Prague) 1837/0428
- MLEO 3/146 Recipient : Leopoldine Society Board of Directors 1837/0428
- MLEO 3/147 Author : Leopoldine Society Board of Directors 1837/0529
- MLEO 3/147 Recipient : Hammer, Clemens (Father-Prague) 1837/0529
- MLEO 3/148 Author : Arnstein and Eskeles (Bankers-Vienna) 1837/0524
- MLEO 3/148 Recipient : Leopoldine Society Board of Directors 1837/0524
- MLEO 3/149 Author : Arnstein and Eskeles (Bankers-Vienna) 1837/0607
- MLEO 3/149 Recipient : Leopoldine Society Board of Directors 1837/0607
- MLEO 3/150 Author : Arnstein and Eskeles (Bankers-Vienna) 1837/0722
- MLEO 3/150 Recipient : Leopoldine Society Board of Directors 1837/0722
- MLEO 3/151 Author : Arnstein and Eskeles (Bankers-Vienna) 1837/1101
- MLEO 3/151 Recipient : Leopoldine Society 1837/1101
- MLEO 3/152 Author : Chancery of Gratz 1837/01
- MLEO 3/152 Recipient : Leopoldine Society 1837/01
- MLEO 3/153 Author : Reichel, Wenzel (Director-Chancery of Vienna) 1837/0130
- MLEO 3/153 Recipient : von Bruchmann, Johann Christian (Edler-LS Treasurer) 1837/0130
- MLEO 3/154 Author : Reichel, Wenzel (Director-Chancery of Vienna) 1837/0428
- MLEO 3/154 Recipient : von Bruchmann, Johann Christian (Edler-LS Treasurer) 1837/0428
- MLEO 3/155 Author : Chancery of Gurk in Klagenfurt 1837/0701
- MLEO 3/155 Recipient : Leopoldine Society Board of Directors 1837/0701
- MLEO 3/156 Author : Belik, Joseph (Bishop of Zips) 1837/0624
- MLEO 3/156 Recipient : Leopoldine Society Board of Directors 1837/0624
- MLEO 3/157 Author : Chancery of Zips 1837/0801
- MLEO 3/157 Recipient : Leopoldine Society Board of Directors 1837/0801
- MLEO 3/158 Author : Leopoldine Society 1833
- MLEO 3/158 Recipient : Franz I (Emperor of Austria) 1833
- MLEO 3/159 Author : von Lederer, Karl Friedrich W. (Father-Gen. Consul-NY) 1833
- MLEO 3/159 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1833
- MLEO 3/160 Author : Caezilia? (Abbess at Elisabeth Convent-Klagenfurt) 1833/1010
- MLEO 3/160 Recipient : Leopoldine Society Board of Directors 1833/1010
- MLEO 3/161 Author : Pierz, Franz (Father-Birkendorf, near Krainburg) 1833/0814
- MLEO 3/161 Recipient : Leopoldine Society Board of Directors 1833/0814
- MLEO 3/162 Author : Leopoldine Society Board of Directors 1833/0223
- MLEO 3/162 Recipient : Arnstein and Eskeles (Bankers-Vienna) 1833/0223
- MLEO 3/162a Author : Leopoldine Society Board of Directors 1833/0223
- MLEO 3/162a Recipient : Rese, Frederick (Father-Vicar General of Cincinnati) 1833/0223
- MLEO 3/163 Author : von Rothschild, S. M. (Baron-Banker-Vienna) 1833/0217
- MLEO 3/163 Recipient : Leopoldine Society 1833/0217
- MLEO 3/164 Author : Danko, Andreas (Secretary-Chancery of Zips) 1833/0215
- MLEO 3/164 Recipient : Leopoldine Society Board of Directors 1833/0215
- MLEO 3/165 Author : Chancery of Linz? 1833
- MLEO 3/165 Recipient : Leonhard, Johann Michael (Tit. Bp of Alalia-LS Dirctr) 1833
- MLEO 3/166 Author : Ziegler, Gregorius Thomas (Bishop of Linz) 1833
- MLEO 3/166 Recipient : Leonhard, Johann Michael (Tit. Bp of Alalia-LS Dirctr) 1833
- MLEO 3/167 Author : Lukovich, Josephus (Vicar General of Agram) 1834/0613
- MLEO 3/167 Recipient : Leopoldine Society Board of Directors 1834/0613
- MLEO 3/168 Author : Alagovich, Alexander (Bishop of Agram) 1834/0609
- MLEO 3/168 Recipient : Dubois, John (Bishop of New York) 1834/0609
- MLEO 3/169 Author : Alagovich, Alexander (Bishop of Agram) 1834/0609
- MLEO 3/169 Recipient : Rese, Frederick (Bishop of Detroit) 1834/0609
- MLEO 3/170 Author : Leonhard, Johann Michael (Tit. Bp of Alalia-LS Dirctr) 1834/05
- MLEO 3/170 Recipient : Raffainer, John Stephan (Father-New York) 1834/05
- MLEO 3/171 Author : Leopoldine Society 1834/0516
- MLEO 3/171 Recipient : Leviz, Ivo (Father,OSF-Castagnavizza) 1834/0516
- MLEO 3/172 Author : Leonhard, Johann Michael (Tit. Bp of Alalia-LS Dirctr) 1834/04
- MLEO 3/172 Recipient : Arnstein and Eskeles (Bankers-Vienna) 1834/04
- MLEO 3/173 Author : Leopoldine Society Board of Directors 1834/02
- MLEO 3/173 Recipient : Arnstein and Eskeles (Bankers-Vienna) 1834/02
- MLEO 3/174 Author : Leopoldine Society Board of Directors 1834
- MLEO 3/174 Recipient : Rese, Frederick (Bishop of Detroit) 1834
- MLEO 3/175 Author : Leopoldine Society Board of Directors 1833/1130
- MLEO 3/175 Recipient : Arnstein and Eskeles (Bankers-Vienna) 1833/1130
- MLEO 3/176 Author : Arnstein and Eskeles (Bankers-Vienna) 1834/0227
- MLEO 3/176 Recipient : Leopoldine Society Board of Directors 1834/0227
- MLEO 3/177 Author : Kenrick, Francis Patrick (Apostolic Admn-Philadelphia) nd
- MLEO 3/177 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) nd
- MLEO 3/178 Author : Brute, Simon Gabriel (Bishop of Vincennes) 1835/0907
- MLEO 3/178 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1835/0907
- MLEO 3/179 Author : Austrian State Government (Vienna) 1835/0930
- MLEO 3/179 Recipient : Leopoldine Society 1835/0930
- MLEO 3/180 Author : Brute, Simon Gabriel (Bishop of Vincennes) 1835/0927
- MLEO 3/180 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1835/0927
- MLEO 3/181 Author : Henni, John Martin (Father-Missionary in Cincinnati) 1835/10
- MLEO 3/181 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1835/10
- MLEO 3/182 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1835/1203
- MLEO 3/182 Recipient : Brute, Simon Gabriel (Bishop of Vincennes) 1835/1203
- MLEO 3/183 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1835/1203
- MLEO 3/183 Recipient : Rese, Frederick (Bishop of Detroit) 1835/1203
- MLEO 3/184 Author : Viszoczky, Andreas (Father-Grand River, MI) 1835/1020
- MLEO 3/184 Recipient : Leopoldine Society Board of Directors 1835/1020
- MLEO 3/185 Author : Gressel, Amalia (Mrs-Father Baraga's Sister-Laibach) 1835/0504
- MLEO 3/185 Recipient : Leopoldine Society Board of Directors 1835/0504
- MLEO 3/186 Author : Leopoldine Society 1835/0531
- MLEO 3/186 Recipient : Gressel, Amalia (Mrs-Father Baraga's Sister-Laibach) 1835/0531
- MLEO 3/187 Author : Arnstein and Eskeles (Bankers-Vienna) 1835/0531
- MLEO 3/187 Recipient : Leopoldine Society Board of Directors 1835/0531
- MLEO 3/188 Author : Arnstein and Eskeles (Bankers-Vienna) 1835/0803
- MLEO 3/188 Recipient : Leopoldine Society Board of Directors 1835/0803
- MLEO 3/189 Author : Arnstein and Eskeles (Bankers-Vienna) 1835/0627
- MLEO 3/189 Recipient : Leopoldine Society Board of Directors 1835/0627
- MLEO 3/190 Author : Arnstein and Eskeles (Bankers-Vienna) 1835/0316
- MLEO 3/190 Recipient : Leopoldine Society Board of Directors 1835/0316
- MLEO 3/191 Author : Arnstein and Eskeles (Bankers-Vienna) nd
- MLEO 3/191 Recipient : Leopoldine Society Board of Directors nd
- MLEO 3/192 Author : Passerath, Joseph (Father,CSsR-Provincial-Vienna) 1835/0326
- MLEO 3/192 Recipient : Leopoldine Society Board of Directors 1835/0326
- MLEO 3/193 Author : Passerath, Joseph (Father,CSsR-Provincial-Vienna) 1835/0221
- MLEO 3/193 Recipient : Chancery of Vienna 1835/0221
- MLEO 3/194 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1835/0403