- MLEO S4/031 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1836/0519
- MLEO S4/032a Author : Arnstein and Eskeles (Bankers-Vienna) 1836/0511
- MLEO S4/032a Recipient : Leopoldine Society 1836/0511
- MLEO S4/032b Author : Signay, Joseph (Bishop of Quebec, Canada) 1836/0321
- MLEO S4/032b Recipient : Leopoldine Society 1836/0321
- MLEO S4/033 Author : Forner, A.L. (Father,OMI-Provost, Alberta Canada) 1909/0621
- MLEO S4/033 Recipient : Leopoldine Society 1909/0621
- MLEO S4/034 Author : Forner, A.L. (Father,OMI-Provost, Alberta Canada) 1909/1228
- MLEO S4/034 Recipient : Wimmer, Ferdinand (Canon-Leopoldine Society) 1809/1228
- MLEO S4/035 Author : Forner, A.L. (Fr,OMI-Rosenheim, near Provost,Alberta) 1913/0603
- MLEO S4/035 Recipient : Wimmer, Ferdinand (Leopoldine Society) 1913/0603
- MLEO S4/036 Author : Palm, Francis (Father,OMI-Grosswerder-Sask., Canada) 1913/0626
- MLEO S4/036 Recipient : Leopoldine Society 1913/0626
- MLEO S4/037 Author : Palm, Francis (Father,OMI-Grosswerder-Sask., Canada) 1914/0608
- MLEO S4/037 Recipient : Wimmer, Ferdinand (Canon-Vienna) 1914/0608
- MLEO S4/038 Author : Schultz, Joh. (Father,OMI-Rosenheim, Canada) 1914/0622
- MLEO S4/038 Recipient : Wimmer, Ferdinand (Leopoldine Society) 1914/0622
- MLEO S4/039 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1901/0824
- MLEO S4/039 Recipient : Wimmer, Ferdinand (Canon-Leopoldine Society) 1901/0824
- MLEO S4/040 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1902/0419
- MLEO S4/040 Recipient : Wimmer, Ferdinand (Canon-Leopoldine Society) 1902/0419
- MLEO S4/041 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1903/0425
- MLEO S4/041 Recipient : Wimmer, Ferdinand (Canon-Leopoldine Society) 1903/0425
- MLEO S4/042 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1903/1222
- MLEO S4/042 Recipient : Wimmer, Ferdinand (Canon-Vienna) 1903/1222
- MLEO S4/043 Author : Cloutier, G. (Father-St.Boniface-Canada) 1904/0416
- MLEO S4/043 Recipient : Leopoldine Society 1904/0416
- MLEO S4/044 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1905/0206
- MLEO S4/044 Recipient : Wimmer, Ferdinand (Canon-Vienna) 1905/0206
- MLEO S4/045 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1905/0421
- MLEO S4/045 Recipient : Wimmer, Ferdinand (Canon-Vienna) 1905/0421
- MLEO S4/046 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1906/0406
- MLEO S4/046 Recipient : Marschall, Godfried (Secretary-Leopoldine Society) 1906/0406
- MLEO S4/047 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1906/0406
- MLEO S4/047 Recipient : Marschall, Godfried (Bp of Ortosia-LS President) 1906/0406
- MLEO S4/048 Author : Langevin, Louis Philippe Adelard (Abp of St.Boniface) 1907/0404
- MLEO S4/048 Recipient : Wimmer, Ferdinand (Canon-Vienna) 1907/0404
- MLEO S4/049 Author : Heinrich, Johann 1867/0928
- MLEO S4/049 Recipient : Leopoldine Society 1867/0928
- MLEO S4/050 Author : Halbstedl, Matthias (Student-American College Louvain) 1867/1017
- MLEO S4/050 Recipient : Leopoldine Society 1867/1017
- MLEO S4/051 Author : Kloss, Peter` (Maehrisch Neustadt) 1886/0907
- MLEO S4/051 Recipient : Leopoldine Society 1886/0907
- MLEO S4/052 Author : Mikula, Carl (Theologian-American College Louvain) 1887/0429
- MLEO S4/052 Recipient : Leopoldine Society 1887/0429
- MLEO S4/053 Author : Hawelka, Franz (Rakonitz) 1887/0902
- MLEO S4/053 Recipient : Leopoldine Society 1887/0902
- MLEO S4/054 Author : Willemsen, J. (Rector-American College Louvain) 1895/1228
- MLEO S4/054 Recipient : Angerer, Eduard (Archbishop of Selimbria-LS Director) 1895/1228
- MLEO S4/055 Author : Willemsen, J. (Rector-Prelate-Papal House-Louvain) 1897/0114
- MLEO S4/055 Recipient : Leopoldine Society 1897/0114
- MLEO S4/056 Author : Willemsen, J. (Rector-American College Louvain) 1898/0411
- MLEO S4/056 Recipient : Leopoldine Society 1898/0411
- MLEO S4/057 Author : Willemsen, J. (Rector-American College Louvain) 1897/1228
- MLEO S4/057 Recipient : Angerer, Eduard (Archbishop of Selimbria-LS President) 1897/1228
- MLEO S4/058 Author : de Becker, Jules (Dr-Rector-American College-Louvain) 1898/1212
- MLEO S4/058 Recipient : Wimmer, Ferdinand (Dr-Canon-Vienna) 1898/1212
- MLEO S4/059 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1901/0409
- MLEO S4/059 Recipient : Schneider, John B. (Dr-Vicar General of Vienna) 1901/0409
- MLEO S4/060 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1902/0305
- MLEO S4/060 Recipient : Schneider, John B. (Dr-Vicar General of Vienna) 1902/0305
- MLEO S4/061 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1905/0402
- MLEO S4/061 Recipient : unknown] (Canon-Leopoldine Society) 1905/0402
- MLEO S4/062 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1903/0404
- MLEO S4/062 Recipient : unknown] (Canon-Leopoldine Society) 1903/0404
- MLEO S4/063 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1903/1218
- MLEO S4/063 Recipient : Wimmer, Ferdinand (Dr-Canon-Vienna) 1903/1218
- MLEO S4/064 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1904/0127
- MLEO S4/064 Recipient : Wimmer, Ferdinand (Dr-Canon-Vienna) 1904/0127
- MLEO S4/065 Author : Masson, Peter (Father-American College Louvain) 1904/0404
- MLEO S4/065 Recipient : Wimmer, Ferdinand? (Dr-Canon-Vienna) 1904/0404
- MLEO S4/066 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1907/0321
- MLEO S4/066 Recipient : Wimmer, Ferdinand? (Dr-Canon-Vienna) 1907/0321
- MLEO S4/067 Author : Masson, Peter (Fr-Vice Rector-American Cllge Louvain) 1906/0313
- MLEO S4/067 Recipient : unknown] (Canon-Dr.) 1906/0313
- MLEO S4/068 Author : Rauss, Felix (Fr-Vice Rector-American College Louvain) 1908/0425
- MLEO S4/068 Recipient : unknown] (Canon-Dr.) 1908/0425
- MLEO S4/069 Author : de Becker, Jules (Dr-Rector-American College Louvain) 1909/0110
- MLEO S4/069 Recipient : Wimmer, Ferdinand (Dr-Canon-Vienna) 1909/0110
- MLEO S4/070 Author : de Becker, Jules (Dr-Rector-American College Louvain) 1910/0412
- MLEO S4/070 Recipient : Wimmer, Ferdinand (Dr-Canon-Vienna) 1910/0412
- MLEO S4/071 Author : de Becker, Jules (Dr-Rector-American College-Louvain) 1914/0507
- MLEO S4/071 Recipient : Wimmer, Ferdinand (Dr-Canon-Vienna) 1914/0507
- MLEO S4/072 Author : Baraga, Frederick (Fr-Arbre Croche, MI?) 1832/0310
- MLEO S4/072 Recipient : Leopoldine Society 1832/0310
- MLEO S4/073 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/0701
- MLEO S4/073 Recipient : Leopoldine Society 1832/0701
- MLEO S4/074 Document : List of Redemptorists in Cincinnati nd
- MLEO S4/074 Author : Leopoldine Society nd
- MLEO S4/074 Subject : Haetscher, Franz Xavier? (Father-Dio of Cincinnati) nd
- MLEO S4/074 Subject : Keller, Jacob (Brother-Diocese of Cincinnati) nd
- MLEO S4/074 Subject : Passerath, Joseph (Father,CSsR-Superior-Vienna) nd
- MLEO S4/074 Subject : Tschenhenss, Franz Xavier (Fr,CSsR-Dio of Cincinnati) nd
- MLEO S4/074 Subject : Wittepill, Wenzeslaus (Brother-Diocese of Cincinnati) nd
- MLEO S4/074 Subject : Saenderl, Simon (Father,CSsR-Diocese of Cincinnati) nd
- MLEO S4/074 Subject : Schuh, Max (Brother-Diocese of Cincinnati) nd
- MLEO S4/075 Author : Saenderl, Simon (Father,CSsR-New York, NY) 1832/0623
- MLEO S4/075 Recipient : Leopoldine Society 1832/0623
- MLEO S4/076 Author : Saenderl, Simon (Father,CSsR-Detroit) 1832/0818
- MLEO S4/076 Recipient : Passerath, Joseph (Father,CSsR-Superior-Vienna) 1832/0818