- MLEO 6/058 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1847/1110
- MLEO 6/059 Author : Goddard, Samuel (American Merchant-Birmingham) 1847/0922
- MLEO 6/059 Recipient : Leopoldine Society 1847/0922
- MLEO 6/060 Author : Salzbacher, Joseph (Canon-Leopoldine Society) 1847/1015
- MLEO 6/060 Recipient : Chancery of Vienna 1847/1015
- MLEO 6/061 Author : Van de Velde, James Oliver (Bishop of Chicago) 1850/0611
- MLEO 6/061 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0611
- MLEO 6/062 Author : Van de Velde, James Oliver (Bishop of Chicago) 1851/0114
- MLEO 6/062 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1851/0114
- MLEO 6/063 Author : Van de Velde, James Oliver (Bishop of Chicago) 1851/0702+
- MLEO 6/063 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1851/0702+
- MLEO 6/064 Author : Van de Velde, James Oliver (Bishop of Chicago) 1852/0924
- MLEO 6/064 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0924
- MLEO 6/065 Author : Snigurski, Adolphus (Fr,CR-St.Adalbert's, Chicago) 1881/1015
- MLEO 6/065 Recipient : Leopoldine Society 1881/1015
- MLEO 6/066 Author : Antl, Francis (Father-Galena, IL) 1883/1221
- MLEO 6/066 Recipient : Leopoldine Society 1883/1221
- MLEO 6/067 Author : Riss, Bruno (Fr,OSB-Blue Island, Archdio of Chicago) 1885/0516
- MLEO 6/067 Recipient : Leopoldine Society Board of Directors 1885/0516
- MLEO 6/068 Author : Francesca, Maria (Sister,CHFN-Rome) 1896/0414
- MLEO 6/068 Recipient : Wimmer, Ferdinand? (Father-Leopoldine Society) 1896/0414
- MLEO 6/069 Author : Maria of Jesus (Sister,CHFN-General Superior-London) 1896/0525
- MLEO 6/069 Recipient : Wimmer, Ferdinand? (Father-Leopoldine Society) 1896/0525
- MLEO 6/070 Author : Henni, John Martin (Father-Missionary in Cincinnati) 1834-1835
- MLEO 6/070 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1834-1835
- MLEO 6/071 Author : Kuehr, Ferdinand (Fr-Rector-Seminary-Cincinnati) 1837/0808
- MLEO 6/071 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1837/0808
- MLEO 6/072 Author : Purcell, John Baptist (Bishop of Cincinnati) 1838/0919
- MLEO 6/072 Recipient : Schwarz, Johann G. (Consul for North America-Vienna) 1838/0919
- MLEO 6/073 Author : Pisbach, Wilhelm (Father-Cincinnati) 1838/1126
- MLEO 6/073 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1838/1126
- MLEO 6/074 Author : Purcell, John Baptist (Bishop of Cincinnati) 1839/1024
- MLEO 6/074 Recipient : Schwarz, Johann G. (Consul for North America-Vienna) 1839/1024
- MLEO 6/075 Author : Purcell, John Baptist (Bishop of Cincinnati) 1839-1840
- MLEO 6/075 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1839-1840
- MLEO 6/076 Author : Schonat, Wilhelm (Father-Cincinnati, OH) 1843/0215
- MLEO 6/076 Recipient : Schwarz, Johann G. (Consul for North America-Vienna) 1843/0215
- MLEO 6/077 Author : Purcell, John Baptist (Bishop of Cincinnati) nd
- MLEO 6/077 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) nd
- MLEO 6/078 Author : Schonat, Wilhelm (Father-Columbus, OH) 1846/0315
- MLEO 6/078 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1846/0315
- MLEO 6/079 Author : Schonat, Wilhelm (Father-Columbus, OH) 1846/1105
- MLEO 6/079 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1846/1105
- MLEO 6/080 Author : Hengehold, Bernard (Pastor-Holy Trinity-Cincinnati) 1847/0924
- MLEO 6/080 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1847/0924
- MLEO 6/081 Author : Purcell, John Baptist (Bishop of Cincinnati) 1847/0929
- MLEO 6/081 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1847/0929
- MLEO 6/082 Author : Purcell, John Baptist (Bishop of Cincinnati) nd
- MLEO 6/082 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) nd
- MLEO 6/083 Author : Unterthiner, William (Father-Cincinnati) 1850/0802
- MLEO 6/083 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0802
- MLEO 6/084 Author : Hammer, Clemens (Fr-St.Mary's-Cincinnati-in Vienna) 1850/0802
- MLEO 6/084 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0802
- MLEO 6/085 Author : Weninger, Franz Xavier (Father,SJ-Xavier College) 1882/0622
- MLEO 6/085 Recipient : Leopoldine Society 1882/0622
- MLEO 6/086 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1882/0924
- MLEO 6/086 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1882/0924
- MLEO 6/087 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1884/0329
- MLEO 6/087 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1884/0329
- MLEO 6/088 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1883/0425
- MLEO 6/088 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1883/0425
- MLEO 6/089 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1886/0322
- MLEO 6/089 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1886/0322
- MLEO 6/090 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1886/0828
- MLEO 6/090 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1886/0828
- MLEO 6/091 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1886/0807
- MLEO 6/091 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1886/0807
- MLEO 6/092 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1886/03
- MLEO 6/092 Recipient : Leopoldine Society 1886/03
- MLEO 6/093 Author : Weninger, Franz Xavier (Father,SJ-Cincinnati) 1888
- MLEO 6/093 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1888
- MLEO 6/094 Author : Berghold, Alexander (Father-New Ulm, MN) 1888/0902
- MLEO 6/094 Recipient : Kornheisl, Franz (Fr-Prelate-St.Stephen's-LS Drct'r) 1888/0902
- MLEO 6/095 Author : Rappe, Louis Amadeus (Bishop of Cleveland) 1851
- MLEO 6/095 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1851
- MLEO 6/096 Author : Roupp, Nicolaus (Father-Cleveland) 1851/0821
- MLEO 6/096 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1851/0821
- MLEO 6/097 Author : Corbett, Timotheus (Bishop-Crookston, MN) 1910/0812
- MLEO 6/097 Recipient : Gruscha, Anton Joseph (Cardinal Archbishop of Vienna) 1910/0812
- MLEO 6/098 Author : Baraga, Frederick (Father-St.Joseph at Lake Superior) 1837/1209
- MLEO 6/098 Recipient : Leopoldine Society 1837/1209
- MLEO 6/099 Author : Baraga, Frederick (Father-St.Joseph at Lake Superior) 1838/0306
- MLEO 6/099 Recipient : Leopoldine Society Board of Directors 1838/0306
- MLEO 6/100 Author : Baraga, Frederick (Father-St.Joseph at Lake Superior) 1838/0625
- MLEO 6/100 Recipient : Gressel, Amalia (Mrs-Father Baraga's Sister-Laibach) 1838/0625
- MLEO 6/101 Author : Baraga, Frederick (Father-St.Joseph at Lake Superior) 1839/0125
- MLEO 6/101 Recipient : Leopoldine Society 1839/0125
- MLEO 6/102 Author : Baraga, Frederick (Father-LaPointe, MI) 1843/0912
- MLEO 6/102 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1843/0912
- MLEO 6/103 Author : Baraga, Frederick (Father-St.Joseph-LaPointe, MI) 1841/0827
- MLEO 6/103 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1841/0827
- MLEO 6/104 Author : Baraga, Frederick (Fr-Mission-L'Anse at Lake Superior) 1844/0212
- MLEO 6/104 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1844/0212
- MLEO 6/105 Author : Baraga, Frederick (Father-LaPointe, MI) 1844/0827
- MLEO 6/105 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1844/0827
- MLEO 6/106 Author : Baraga, Frederick (Father-L'Anse, MI) 1844/1004
- MLEO 6/106 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1844/1004
- MLEO 6/107 Author : Pierz, Franz (Father-Sault Ste.Marie) 1838/0701
- MLEO 6/107 Recipient : Leopoldine Society 1838/0701
- MLEO 6/107a Author : Pierz, Franz (Father-Grand Portage, MI) 1838/1001