- MLEO 6/107a Recipient : Leopoldine Society Board of Directors 1838/1001
- MLEO 6/108 Author : Pierz, Franz (Father-Grand Portage, MI) 1838/1105
- MLEO 6/108 Recipient : Leopoldine Society Board of Directors 1838/1105
- MLEO 6/109 Author : Pierz, Franz (Father-Grand Portage, MI) 1841/0811
- MLEO 6/109 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1841/0811
- MLEO 6/110 Author : Pierz, Franz (Father-Grand Portage, MI) 1841/0812
- MLEO 6/110 Recipient : Leopoldine Society 1841/0812
- MLEO 6/111 Author : Pierz, Franz (Father-Grand Portage, MI) 1841/0925
- MLEO 6/111 Recipient : Leopoldine Society Board of Directors 1841/0925
- MLEO 6/112 Author : Pierz, Franz (Father-Grand Portage, MI) 1841/0926
- MLEO 6/112 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1841/0926
- MLEO 6/113 Author : Pierz, Franz (Father-Arbre Croche, MI) 1843/0301
- MLEO 6/113 Recipient : Salzbacher, Joseph (Canon-Leopoldine Society Director) 1843/0301
- MLEO 6/114 Author : Pierz, Franz (Father-Arbre Croche, MI) 1843/1002
- MLEO 6/114 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1843/1002
- MLEO 6/115 Author : Pierz, Franz (Father-Arbre Croche, MI) 1843/1001
- MLEO 6/115 Recipient : Leopoldine Society Board of Directors 1843/1001
- MLEO 6/116 Author : Pierz, Franz (Father-Arbre Croche, MI) 1846/1227
- MLEO 6/116 Recipient : Leopoldine Society 1846/1227
- MLEO 6/117 Author : Pierz, Franz (Father-Arbre Croche, MI) 1846/1228
- MLEO 6/117 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1846/1228
- MLEO 6/118 Document : History of the Catholic Church in Detroit 1838?
- MLEO 6/118 Author : Leopoldine Society 1838?
- MLEO 6/119 Document : Introduction to the Conditions of the Missions` 1838-1839
- MLEO 6/119 Author : Rese, Frederick (Bishop of Detroit) 1838-1839?
- MLEO 6/119 Recipient : Leopoldine Society 1838-1839?
- MLEO 6/120 Author : Saenderl, Simon (Father,CSsR-Arbre Croche, MI) 1833/0812
- MLEO 6/120 Recipient : Rese, Frederick (Father-Vicar General of Cincinnati) 1833/0812
- MLEO 6/121 Author : Saenderl, Simon (Father,CSsR-in Mackinac, MI) 1833/0901
- MLEO 6/121 Recipient : Rese, Frederick (Father-Vicar General of Cincinnati) 1833/0901
- MLEO 6/122 Author : Rese, Frederick (Bishop of Detroit-in New York) 1833/1102
- MLEO 6/122 Recipient : Passerath, Joseph (Fr,CSsR-Provincial Super'r-Vienna) 1833/1102
- MLEO 6/123 Author : Rese, Frederick (Bishop of Detroit) 1836/0702
- MLEO 6/123 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1836/0702
- MLEO 6/124 Author : Petit, Didier (Father-Scrtry-Assoc. of Prop. of Faith) nd
- MLEO 6/124 Recipient : Rese, Frederick (Bishop of Detroit) nd
- MLEO 6/125 Author : de Bruyn, John B. (Father-Vicar General of Detroit) 1838/0603
- MLEO 6/125 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1838/0603
- MLEO 6/126 Author : Badin, Francis Vincent (Fr-Vicar General of Detroit) 1841/0216
- MLEO 6/126 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1841/0216
- MLEO 6/127 Author : Badin, Francis Vincent (Fr-Vicar General of Detroit) nd
- MLEO 6/127 Author : Gies, Joh. Heinrich (German Catholic Cngrgtn-Detroit) nd
- MLEO 6/127 Author : Kundig, Martin (Father-German Catholic Cngrtn-Detroit) nd
- MLEO 6/127 Author : Rademacher, Franz C. (German Catholic Cngtn-Detroit) nd
- MLEO 6/127 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) nd
- MLEO 6/128 Author : Badin, Francis Vincent (Fr-Vicar General of Detroit) 1841/0305
- MLEO 6/128 Author : Gies, Joh. Heinrich (German Catholic Cngrgtn-Detroit) 1841/0305
- MLEO 6/128 Author : Greilich, Aug. (Pres-German Catholic Cngrgtn-Detroit) 1841/0305
- MLEO 6/128 Author : Kundig, Martin (Father-German Catholic Cngrtn-Detroit) 1841/0305
- MLEO 6/128 Author : Kuno, Franz (Treasurer-German Catholic Cngrtn-Detroit) 1841/0305
- MLEO 6/128 Author : Rademacher, Franz C. (German Catholic Cngtn-Detroit) 1841/0305
- MLEO 6/128 Recipient : Leopoldine Society 1841/0305
- MLEO 6/129 Author : Santelli, Santo (Father-Mackinac, MI) 1841/1016
- MLEO 6/129 Recipient : Leopoldine Society 1841/1016
- MLEO 6/130 Author : Lefevere, Peter Paul (Coadjtr-Administrator-Detroit) 1842/0804
- MLEO 6/130 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1842/0804
- MLEO 6/131 Author : Viszoczky, Andreas (Father-Grand River, MI) 1844/0725
- MLEO 6/131 Recipient : Leopoldine Society Board of Directors 1844/0725
- MLEO 6/132 Author : Viszoczky, Andreas (Father-Grand River) 1845/1202
- MLEO 6/132 Recipient : Leopoldine Society 1845/1202
- MLEO 6/133 Author : Baraga, Frederick (Father-Detroit, MI) 1849/0930
- MLEO 6/133 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1849/0930
- MLEO 6/134 Author : Mrack, Ignatius (Father-La Croix) 1849/1020
- MLEO 6/134 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1849/1020
- MLEO 6/135 Author : Lefevere, Peter Paul (Coadjtr-Administrator-Detroit) 1852/0915
- MLEO 6/135 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0915
- MLEO 6/136 Author : Frey, Bonaventure (Father,OMCap-Provincial-Detroit) 1884/0302
- MLEO 6/136 Recipient : Kaindl, Joseph? (Professor-Leopoldine Society) 1884/0302
- MLEO 6/137 Author : Gratza, J. (Father-Ruth, MI) 1881/1024
- MLEO 6/137 Recipient : Leopoldine Society 1881/1024
- MLEO 6/138 Author : Dombrowski, Joseph (Father-Detroit, MI) 1885
- MLEO 6/138 Recipient : Ganglbauer, Celestine Joseph (Cardinal Abp of Vienna) 1885
- MLEO 6/139 Author : Dombrowski, Joseph (Father-Dir. of Polish Sem-Detroit) 1890/1224
- MLEO 6/139 Recipient : Gruscha, Anton Joseph (Cardinal Archbishop of Vienna) 1890/1224
- MLEO 6/140 Author : Loras, John Mathias (Bishop of Dubuque-in Rome) 1838/0514
- MLEO 6/140 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1838/0514
- MLEO 6/141 Author : Loras, John Mathias (Bishop of Dubuque) 1839
- MLEO 6/141 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1839
- MLEO 6/142 Author : Loras, John Mathias (Bishop of Dubuque) 1841/0731
- MLEO 6/142 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1841/0731
- MLEO 6/143 Author : Loras, John Mathias (Bishop of Dubuque) 1843/1206
- MLEO 6/143 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1843/1206
- MLEO 6/144 Author : Loras, John Mathias (Bishop of Dubuque) 1843/0406
- MLEO 6/144 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1843/0406
- MLEO 6/145 Author : Loras, John Mathias (Bishop of Dubuque) 1844/1107
- MLEO 6/145 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1844/1107
- MLEO 6/146 Author : Loras, John Mathias (Bishop of Dubuque) 1845/1028
- MLEO 6/146 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1845/1028
- MLEO 6/147 Author : Ehrenberger (Father-Fort Atkinson) 1880/0629
- MLEO 6/147 Recipient : Kutschker, Johann Rudolph (Cardinal Abp of Vienna) 1880/0629
- MLEO 6/148 Author : Mikota, Franz (Rector-Mission at Chelsea,IA-Norway,IA) 1880/0922
- MLEO 6/148 Recipient : Leopoldine Society 1880/0922
- MLEO 6/149 Author : Cipin, Adalbert (Father-St.Mary's, Ahnapee, WI) 1881/0103
- MLEO 6/149 Recipient : Leopoldine Society 1881/0103
- MLEO 6/150 Author : Hennessy, John (Bishop of Dubuque) 1887/0423
- MLEO 6/150 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1887/0423
- MLEO 6/151 Author : Mikota, Franz (Father-Norway-in Benton County, IA) 1885/1210
- MLEO 6/151 Recipient : Leopoldine Society 1885/1210
- MLEO 6/152 Author : Winter, Francis (Fr-Corry-in Haste Osnabruek, Germany) 1879/0805
- MLEO 6/152 Recipient : Angerer, Eduard (Titular Bishop of Alalia-LS Director) 1879/0805