- MLEO 1/247 Author : Hammer, Clemens (Father-Diocese of Detroit) 1839/1227
- MLEO 1/247 Recipient : Leopoldine Society Board of Directors 1839/1227
- MLEO 1/248 Author : Hammer, Clemens (Father-Diocese of Detroit) 1839/12
- MLEO 1/248 Recipient : Hammer, Francisca (Mrs.-Prague) 1839/12
- MLEO 1/249 Author : Stehlin, M. Magdalena (Sr,OSU-Sr Superior-St. Louis) 1842/0520
- MLEO 1/249 Recipient : Stehlin, ? (Brother of Sister M. Magdalena Stehlin) 1842/0520
- MLEO 1/250 Author : Dubois, John (Bishop of New York) 1834/0627
- MLEO 1/250 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1834/0627
- MLEO 1/251 Author : Fenwick, Benedict Joseph (Bishop of Boston) 1834/0703
- MLEO 1/251 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1834/0703
- MLEO 1/252 Author : Dubuisson, Stephen Larigandelle (Fr-SJ in N. America) 1836/03
- MLEO 1/252 Recipient : Leopoldine Society Board of Directors 1836/03
- MLEO 1/252a Author : Rese, Frederick (Bishop of Detroit) 1834/1022
- MLEO 1/252a Recipient : Leopoldine Society Board of Directors 1834/1022
- MLEO 1/253 Author : Rese, Frederick (Father-Vicar General of Cincinnati) 1833/0209
- MLEO 1/253 Recipient : Lichtenberg, Karl Anton (Father-LS Secretary) 1833/0209
- MLEO 1/254 Author : Rese, Frederick (Father-Vicar General of Cincinnati) 1832/0808
- MLEO 1/254 Recipient : unknown] (Father,CSsR-Hall, Austria)1832/0808 )1832/0808
- MLEO 1/255 Author : Rese, Frederick (Father-Vicar General of Cincinnati) 1832/0329
- MLEO 1/255 Recipient : Leopoldine Society Board of Directors 1832/0329
- MLEO 1/256 Author : Rese, Frederick (Father-Vicar General of Cincinnati) 1832/0215
- MLEO 1/256 Recipient : von Pilat (Councillor of the Government-LS Director) 1832/0215
- MLEO 1/257 Author : Rese, Frederick (Father-Vicar General of Cincinnati) 1833/0318
- MLEO 1/257 Recipient : Schmid, Franz (Precentor-St.Stephen's-LS Director) 1833/0318
- MLEO 1/258 Author : Rese, Frederick (Father-Vicar General of Cincinnati) 1831/0823
- MLEO 1/258 Recipient : Leopoldine Society 1831/0823
- MLEO 1/259 Author : Pierz, Franz (Father-Sault Ste.Marie) 1839/0702
- MLEO 1/259 Recipient : Leopoldine Society Board of Directors 1839/0702
- MLEO 1/260 Author : Pierz, Franz (Father-LaPointe at the Superior Lake) 1838/0721
- MLEO 1/260 Recipient : Leopoldine Society Board of Directors 1838/0721
- MLEO 1/261 Author : Pierz, Franz (Father-Sault Ste.Marie) 1838/1115
- MLEO 1/261 Recipient : Leopoldine Society Board of Directors 1838/1115
- MLEO 1/262 Author : Pierz, Franz (Father-Sault Ste.Marie) 1837/1215
- MLEO 1/262 Recipient : Leopoldine Society Board of Directors 1837/1215
- MLEO 1/263 Author : Pierz, Franz (Father-La Crosse, WI) 1836/0501
- MLEO 1/263 Recipient : Leopoldine Society Board of Directors 1836/0501
- MLEO 1/264 Author : Baraga, Frederick (Father) nd
- MLEO 1/264 Recipient : Lichtenberg, Karl Anton (Father-LS Secretary) nd
- MLEO 1/265 Author : Baraga, Frederick (Father-Cincinnati, OH) 1831/0211
- MLEO 1/265 Recipient : Leopoldine Society Board of Directors 1831/0211
- MLEO 1/266 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1831/0602
- MLEO 1/266 Recipient : unknown] (A Friend at Leopoldine Society?-Vienna)1831/0602 )1831/0602
- MLEO 1/267 Author : Kewekawaam, Joseph (Father of Michael Shawonibinessi) 1831/0613
- MLEO 1/267 Author : Missawakwot, Alexander (Head Chief of Arbre Croche) 1831/0613
- MLEO 1/267 Author : Nawimashkwote, Joseph (Prin Chief of old Arbre Croche) 1831/0613
- MLEO 1/267 Author : Pakussigan, Leon (Head Chief of Arbre Croche) 1831/0613
- MLEO 1/267 Author : Wabisagime (Father of Joseph Boyd) 1831/0613
- MLEO 1/267 Recipient : Fenwick, Edward (Bishop of Cincinnati) 1831/0613
- MLEO 1/268 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1831/0810
- MLEO 1/268 Recipient : Gressel, Amalia (Mrs-Father Baraga's Sister-Laibach) 1831/0810
- MLEO 1/269 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1831/0820
- MLEO 1/269 Recipient : Richard, Gabriel (Father-Detroit) 1831/0820
- MLEO 1/270 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1831/0820
- MLEO 1/270 Recipient : Leopoldine Society Board of Directors 1831/0820
- MLEO 1/271 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/0104
- MLEO 1/271 Recipient : Fenwick, Edward (Bishop of Cincinnati) 1832/0104
- MLEO 1/272 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/0104
- MLEO 1/272 Recipient : Leopoldine Society Board of Directors 1832/0104
- MLEO 1/273a Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/0310
- MLEO 1/273a Recipient : Leopoldine Society Board of Directors 1832/0310
- MLEO 1/273b Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/0701
- MLEO 1/273b Recipient : Leopoldine Society Board of Directors 1832/0701
- MLEO 1/274 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/0629
- MLEO 1/274 Recipient : Gressel, Amalia (Mrs-Fr.Baraga's Sister-Laibach-Krain) 1832/0629
- MLEO 1/275 Author : Brute, Simon Gabriel (Bishop of Vincennes) 1837/0105
- MLEO 1/275 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1837/0105
- MLEO 1/276 Author : Dubuisson, Stephen Larigandelle (Fr-SJ in N. America) 1836/03
- MLEO 1/276 Recipient : Leopoldine Society Board of Directors 1836/03
- MLEO 2/001 Document : Mission Report 1832/1217
- MLEO 2/001 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1832/1217
- MLEO 2/001 Recipient : Leopoldine Society Board of Directors 1832/1217
- MLEO 2/001 Subject : Fenwick (Bishop) 1832/1217
- MLEO 2/001 Subject : Schuh, Aloys (Brother-Arbre Croche) 1832/1217
- MLEO 2/002 Author : Baraga, Frederick (Father-Arbre Croche, MI) 1833/0404
- MLEO 2/002 Recipient : Gressel, Amalia (Mrs-Father Baraga's Sister-Laibach) 1833/0404
- MLEO 2/003 Document : Mission Report 1833/1201
- MLEO 2/003 Author : Baraga, Frederick (Father) 1833/1201
- MLEO 2/003 Recipient : Leopoldine Society Board of Directors 1833/1201
- MLEO 2/004 Document : Mission Report 1834/0201
- MLEO 2/004 Author : Baraga, Frederick (Father-St.Mary at Grand River, MI) 1834/0201
- MLEO 2/004 Recipient : Leopoldine Society Board of Directors 1834/0201
- MLEO 2/004 Subject : Saenderl, Simon (Father-Arbre Croche) 1834/0201
- MLEO 2/005 Document : Mission Report 1834/0524
- MLEO 2/005 Author : Baraga, Frederick (Father-St.Mary at Grand River, MI) 1834/0524
- MLEO 2/005 Recipient : Leopoldine Society Board of Directors 1834/0524
- MLEO 2/006 Document : Mission Report 1834/0307
- MLEO 2/006 Author : Baraga, Frederick (Father-St.Mary at Grand River, MI) 1834/0307
- MLEO 2/006 Recipient : Leopoldine Society Board of Directors 1834/0307
- MLEO 2/007 Document : Mission Report 1834/0626
- MLEO 2/007 Author : Baraga, Frederick (Father-St.Mary at Grand River, MI) 1834/0626
- MLEO 2/007 Recipient : Leopoldine Society Board of Directors 1834/0626
- MLEO 2/008 Document : Mission Report 1834/1103
- MLEO 2/008 Author : Baraga, Frederick (Father-Grand River) 1834/1103
- MLEO 2/008 Recipient : Leopoldine Society Board of Directors 1834/1103
- MLEO 2/009 Document : Mission Report 1835/0220
- MLEO 2/009 Author : Baraga, Frederick (Father-St.Mary at Grand River, MI) 1835/0220
- MLEO 2/009 Recipient : Leopoldine Society Board of Directors 1835/0220
- MLEO 2/009 Subject : Viszoczky, Andreas (Father) 1835/0220
- MLEO 2/010 Document : Mission Report 1835/0313
- MLEO 2/010 Author : Baraga, Frederick (Father-Mackinac, MI) 1835/0313