- MLEO 3/054 Subject : Pierz, Franz (Father) nd
- MLEO 3/054 Subject : Raffeiner, John Stephan (Father) nd
- MLEO 3/055 Author : Chancery of Agram 1842/0819
- MLEO 3/055 Recipient : Leopoldine Society Board of Directors 1842/0819
- MLEO 3/056 Author : Mueller, Jos. P. (Chancery of Koeniggraez) 1842/0120
- MLEO 3/056 Recipient : Leopoldine Society Board of Directors 1842/0120
- MLEO 3/057 Author : Leopoldine Society nd
- MLEO 3/057 Recipient : Salzbacher, Joseph (Dr-Canon-St.Peter's, Vienna) nd
- MLEO 3/058 Author : Leopoldine Society Board of Directors nd
- MLEO 3/058 Recipient : Leopoldine Society Treasurer nd
- MLEO 3/059 Author : Sauter, Kasper (Secretary-Chancery of Brixen) 1842/0120
- MLEO 3/059 Recipient : Leopoldine Society 1842/0120
- MLEO 3/060 Author : Sauter, Kasper (Secretary-Chancery of Brixen) 1843/1231
- MLEO 3/060 Recipient : Leopoldine Society 1843/1231
- MLEO 3/061 Author : Leopoldine Society Treasurer nd
- MLEO 3/061 Recipient : Leopoldine Society nd
- MLEO 3/062 Author : Wolf, Anton Aloys (Bishop of Laibach) 1842
- MLEO 3/062 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1842
- MLEO 3/063 Author : Salokar (Father-Neumarkt, Diocese of Laibach) 1842
- MLEO 3/063 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1842
- MLEO 3/064 Author : Kuehr, Ferdinand (Father-Covington, KY) 1841/1221
- MLEO 3/064 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1841/1221
- MLEO 3/065 Document : Letter re Brochure on Irish Episcopal Admin. in N. Am. 1842/0103
- MLEO 3/065 Author : Platz, Casper (Doctor,MD-Philadelphia) 1842/0103
- MLEO 3/065 Subject : Kuehr (Father) 1842/0103
- MLEO 3/066 Author : Purcell, John Baptist (Bishop of Cincinnati) 1842
- MLEO 3/066 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1842
- MLEO 3/067 Author : Leviz, Ivo (Father,OSF-in Vienna) 1842/1206
- MLEO 3/067 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1842/1206
- MLEO 3/068 Author : Leonhard, Johann Michael (Leopoldine Society Director) 1831
- MLEO 3/068 Recipient : Arnstein and Eskeles (Bankers-Vienna) 1831
- MLEO 3/069 Author : Leonhard, Johann Michael (Vicar General-LS) nd
- MLEO 3/069 Recipient : Fenwick, Edward (Bishop of Cincinnati) nd
- MLEO 3/070 Author : von Eskeles, B. (Baron-Vienna) 1831/0916
- MLEO 3/070 Recipient : Leopoldine Society Board of Directors 1831/0916
- MLEO 3/071 Author : Leonhard, Johann Michael (Vicar General-LS Director) 1831
- MLEO 3/071 Recipient : Arnstein and Eskeles (Bankers-Vienna) 1831
- MLEO 3/072 Author : Leopoldine Society 1831/0725
- MLEO 3/072 Recipient : Fleisch, Fidelius (Bronze Craftsman-Vienna) 1831/0725
- MLEO 3/073 Author : Baraga, Frederick (Father-St.Mary at Grand River, MI) 1834/0223
- MLEO 3/073 Recipient : Ziegler, Gregorius Thomas (Bishop of Linz) 1834/0223
- MLEO 3/074 Author : Leonhard, Johann Michael (Vicar General-LS Director) nd
- MLEO 3/074 Recipient : Raffeiner, John Stephen (Father-New York) nd
- MLEO 3/075 Author : Viszoczky, Andreas (Father-Vienna) 1833/0529
- MLEO 3/075 Recipient : Leopoldine Society 1833/0529
- MLEO 3/076 Document : Bookkeeping (Expenses for 1831-1832) 1831?
- MLEO 3/076 Author : Leopoldine Society nd
- MLEO 3/077 Author : Lichtenberg, Karl Anton (Father-LS Business Manager) 1832/0808
- MLEO 3/077 Recipient : Fenwick, Edward (Bishop of Cincinnati) 1832/0808
- MLEO 3/078 Author : Lichtenberg, Karl Anton (Fr-Secretary-LS Business Mgr) 1832/0808
- MLEO 3/078 Recipient : Gressel, Joseph (Husband of Baraga's Sister-Laibach) 1832/0808
- MLEO 3/079 Author : Markowitsch, Mattheaus (Fr-Wizbach, Illyrien-Austria) 1831/0817
- MLEO 3/079 Recipient : Leopoldine Society Board of Directors 1831/0817
- MLEO 3/080 Author : Leopoldine Society Board of Directors 1831/0817
- MLEO 3/080 Recipient : Markowitsch, Mattheaus (Fr-Wizbach, Illyrien-Austria) 1831/0817
- MLEO 3/081 Author : Lichtenberg, Karl Anton (Fr-Secretary-LS Business Mgr) 1832/0825
- MLEO 3/081 Recipient : unknown] (Chancery of ?)1832/0825 )1832/0825
- MLEO 3/082 Author : Klinger and Sohn (Steinbach, near Steyr) 1831/0615
- MLEO 3/082 Recipient : Leopoldine Society 1831/0615
- MLEO 3/083 Author : Leopoldine Society 1831/0606
- MLEO 3/083 Recipient : Jager and Bissendorfer (Gmunden) 1831/0606
- MLEO 3/083 Recipient : Klinger and Sohn (Steinbach) 1831/0606
- MLEO 3/084 Author : Passerath, Joseph (Father,CSsR-Provincial-Vienna) 1831/0120
- MLEO 3/084 Recipient : Leopoldine Society Board of Directors 1831/0120
- MLEO 3/085 Author : Viszoczky, Andreas (Father-Chaplain-Kasmark, Hungary) 1831/0517
- MLEO 3/085 Recipient : Leopoldine Society Board of Directors 1831/0517
- MLEO 3/086 Author : Lichtenberg, Karl Anton (Fr-Secretary-LS Business Mgr) 1831/0531
- MLEO 3/086 Recipient : Viszoczky, Andreas (Father-Chaplain-Kasmark, Hungary) 1831/0531
- MLEO 3/087 Author : Lichtenberg, Karl Anton (Fr-Secretary-LS Business Mgr) 1831/0504
- MLEO 3/087 Recipient : Viszoczky, Andreas (Father-Chaplain-Kasmark, Hungary) 1831/0504
- MLEO 3/088 Author : Viszoczky, Andreas (Father-Chaplain-Kasmark, Hungary) 1831/0617
- MLEO 3/088 Recipient : Leopoldine Society Board of Directors 1831/0617
- MLEO 3/089 Author : Markowitsch, Mattheaus (Father-Laibach) 1831/1109
- MLEO 3/089 Recipient : Chancery of Cincinnati 1831/1109
- MLEO 3/090 Document : Minutes of Board of Directors Meeting (Incomplete) nd
- MLEO 3/090 Author : Leopoldine Society nd
- MLEO 3/091 Author : Kundek, Joseph (Father-Vicar General of Vincennes) 1852/0402
- MLEO 3/091 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0402
- MLEO 3/092 Author : Reichel, Wenzel (Director-Chancery of Vienna) 1839/1121
- MLEO 3/092 Recipient : Leopoldine Society Treasurer 1839/1121
- MLEO 3/093 Author : Reichel, Wenzel (Director-Chancery of Vienna) 1839/0201
- MLEO 3/093 Recipient : Leopoldine Society Treasurer 1839/0201
- MLEO 3/094 Document : Note of Transfer of Money 1839/0309
- MLEO 3/094 Author : Leopoldine Society 1839/0309
- MLEO 3/094 Subject : Arnstein and Eskeles (Bankers-Vienna) 1839/0309
- MLEO 3/094 Subject : Rese, Frederick (Bishop of Detroit) 1839/0309
- MLEO 3/095 Author : Burger, Lukas (Canon-Chancery of Laibach) 1835/0613
- MLEO 3/095 Recipient : Leopoldine Society Board of Directors 1835/0613
- MLEO 3/096 Author : Gressel, Joseph (Husband of Baraga's Sister-Laibach) 1835/0825
- MLEO 3/096 Recipient : Leopoldine Society Board of Directors 1835/0825
- MLEO 3/097 Author : von Kendler, Karl (Edler-Vienna) 1835/1009
- MLEO 3/097 Recipient : Leopoldine Society 1835/1009
- MLEO 3/098 Author : Wolf, Anton Aloys (Bishop of Laibach) 1835/0105
- MLEO 3/098 Recipient : Leopoldine Society Board of Directors 1835/0105
- MLEO 3/099 Author : Raunicker, Matthaeus (Bishop-Chancery of Triest) 1835/0321
- MLEO 3/099 Recipient : Leopoldine Society Board of Directors 1835/0321
- MLEO 3/100 Author : Belik, Joseph (Bishop of Zips) 1835/0716
- MLEO 3/100 Recipient : Leopoldine Society Board of Directors 1835/0716
- MLEO 3/101 Author : Wolf, Anton Aloys (Bishop of Laibach) 1851/0117
- MLEO 3/101 Recipient : Leopoldine Society Board of Directors 1851/0117