- MLEO 4/002 Document : Contributions from Austrian Dioceses 1833
- MLEO 4/002 Author : Leopoldine Society Treasury Department 1833
- MLEO 4/003 Document : List of Books for Bishop's Seminary in Philadelphia 1833/0409
- MLEO 4/003 Author : Kaiser, Joseph (Leopoldine Society) 1835/0409
- MLEO 4/004 Document : List of Books for Groups in Philadelphia 1839/0827
- MLEO 4/004 Author : Leopoldine Society 1839/0827
- MLEO 4/004 Subject : Salzbacher, Joseph (Father) 1839/0827
- MLEO 4/005 Document : Record of Donation of Church Items 1849/1026
- MLEO 4/005 Author : Leopoldine Society 1849/1026
- MLEO 4/005 Subject : Salzbacher, Joseph (Father) 1849/1026
- MLEO 4/006 Author : Richart, Anton. (Father-St.Thomas Church, Bruenn) 1834/1006
- MLEO 4/006 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1834/1006
- MLEO 4/007 Author : Vinzenzia, Maria (Sr,OSU-Superior of Convent-Prague) 1837/0520
- MLEO 4/007 Recipient : Ankwicz, Andreas Alois (Archbishop of Prague) 1837/0520
- MLEO 4/008 Author : Fenwick, Benedict Joseph (Bishop of Boston) 1837/0210
- MLEO 4/008 Recipient : Vinzenzia, Maria (Sr,OSU-Superior of Convent-Prague) 1837/0210
- MLEO 4/009 Author : Gutherz, Franz (Judge at Metropolitan Court-Vienna) 1838/0822
- MLEO 4/009 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1838/0822
- MLEO 4/010 Author : Poppenberg, Mathias (Vice Pres-Severinus Soc-Vienna) 1860/0830
- MLEO 4/010 Recipient : Leopoldine Society 1860/0830
- MLEO 4/011 Author : Conte (Director of Post Office in Paris) 1842/0717+
- MLEO 4/011 Recipient : Leopoldine Society Board of Directors 1842/0717+
- MLEO 4/012 Author : Schaffer, P.F. (Salzburg) 1835/0310
- MLEO 4/012 Recipient : Leopoldine Society Board of Directors 1835/0310
- MLEO 4/013 Author : Freinadinetz (Vicar General-Chancery of Trent) 1835/0218
- MLEO 4/013 Recipient : Chancery of Vienna 1835/0218
- MLEO 4/014 Author : Chancery of Gratz 1835/0220
- MLEO 4/014 Recipient : Leopoldine Society Board of Directors 1835/0220
- MLEO 4/015 Author : Rajner, Carolus (Vicar General of Erlau) 1835/0207
- MLEO 4/015 Recipient : Leopoldine Society Board of Directors 1835/0207
- MLEO 4/016 Author : Sieglia, Ludwig (Father) nd
- MLEO 4/016 Recipient : Leopoldine Society nd
- MLEO 4/017 Author : Kaiser, Joseph (Leopoldine Society Secretary) 1834/1010
- MLEO 4/017 Recipient : Leopoldine Society Board of Directors 1834/1010
- MLEO 4/018 Author : Leopoldine Society Board of Directors 1839/0425
- MLEO 4/018 Recipient : Imperial Government of Austria (Vienna) 1839/0425
- MLEO 4/019 Document : Inventorial Assessment of Legacy 1836/1027
- MLEO 4/019 Author : Bauer, Leonhard (Witness) 1836/1027
- MLEO 4/019 Author : Hunczowsky (Secretary) 1836/1027
- MLEO 4/019 Author : Imperial Judicial Department of the Government 1836/1027
- MLEO 4/019 Author : Koenig, Franz (Imperial Judicial Official) 1836/1027
- MLEO 4/019 Author : Mathes, Karl Max Johann 1836/1027
- MLEO 4/019 Subject : von Neuenberg, Karl (Baron-Leopoldstadt, Vienna) 1836/1027
- MLEO 4/019 Subject : Mathes, Franz Xavier (Alexandria, Egypt) 1836/1027
- MLEO 4/020 Document : Notes on Relics of Late Pilgrim Franz Xavier Mathes 1839/0419
- MLEO 4/020 Author : Kaiser, Joseph (Leopoldine Society Secretary) 1839/0419
- MLEO 4/020 Subject : von Neuenberg, Karl (Official at Imperial Court) 1839/0419
- MLEO 4/020 Subject : Mathes, Franz Xavier 1839/0419
- MLEO 4/021 Author : Gorkinger (Imperial Government-Vienna) 1838/1207
- MLEO 4/021 Recipient : Leopoldine Society Board of Directors 1838/1207
- MLEO 4/022 Author : Leopoldine Society Board of Directors 1839/1123
- MLEO 4/022 Recipient : von Hohenlohe, Alexander (Prince-Grosswardein) 1839/1123
- MLEO 4/023 Author : von Hohenlohe, Alexander (Prince-Canon-Vicar General) 1839/1210
- MLEO 4/023 Recipient : Leopoldine Society 1839/1210
- MLEO 4/024 Author : Government Magistrate of Vienna as Civil Court 1839/0605
- MLEO 4/024 Recipient : Imperial Government Court (Vienna) 1839/0605
- MLEO 4/025 Author : Angerer, Eduard (Leopoldine Society Board of Directrs) 1839/0309
- MLEO 4/025 Recipient : Government Court (Vienna) 1839/0309
- MLEO 4/026 Document : Extract of Minutes 1839/0607
- MLEO 4/026 Author : Magistrate of Vienna 1839/0607
- MLEO 4/026 Subject : von Neuenberg, Karl (Administrator-Vienna) 1839/0607
- MLEO 4/026 Subject : Mathes, Franz X. (Vienna) 1839/0607
- MLEO 4/026 Subject : Mathes, Johann (Shoemaker-Vienna) 1839/0607
- MLEO 4/027 Author : Buchmayr, Anton (Vicar General-LS Director) 1839/0425
- MLEO 4/027 Recipient : Government Court (Vienna) 1839/0425
- MLEO 4/028 Author : Wiexelbaum, Jos. (from Magistrate of Vienna) 1839/0829
- MLEO 4/028 Recipient : Imperial Government Court (Vienna) 1839/0829
- MLEO 4/029 Author : Imperial Government (Vienna) 1839/1002
- MLEO 4/029 Recipient : Leopoldine Society Board of Directors 1839/1002
- MLEO 4/030 Author : Chancery of Gratz 1839/0409
- MLEO 4/030 Recipient : Leopoldine Society Board of Directors 1839/0409
- MLEO 4/031 Author : Chancery of Prague 1838/1122
- MLEO 4/031 Recipient : Leopoldine Society Board of Directors 1838/1122
- MLEO 4/032 Author : Juriga, Johann Baptist (Father-Sec'y-Dio of ?-Hungary) 1838/1123
- MLEO 4/032 Recipient : Leopoldine Society Board of Directors 1838/1123
- MLEO 4/033 Author : von Aichinger, Franz Jos. (Dispatcher-Shipping Agent) 1836/1012
- MLEO 4/033 Recipient : Leopoldine Society Board of Directors 1836/1012
- MLEO 4/034 Author : von Lichtenthurn, Josephine (Frmr Countess von Trapp) 1836/0527
- MLEO 4/034 Recipient : Leopoldine Society Board of Directors 1836/0527
- MLEO 4/035 Author : Heinrich, Franz (Father-Vienna) 1836/0527
- MLEO 4/035 Recipient : Leopoldine Society 1836/0527
- MLEO 4/036 Author : Schmid, Franz (Canon-St.Stephen's Cathedral, Vienna) 1838/0422
- MLEO 4/036 Recipient : Leopoldine Society 1838/0422
- MLEO 4/037 Document : List of Church & Religious Items for North America 1834/0912
- MLEO 4/037 Author : Kaiser, Joseph (Leopoldine Society Secretary) 1834/0912
- MLEO 4/038 Document : List of Church & Religious Items for North America 1834/0625
- MLEO 4/038 Author : Lichtenberg, Karl Anton (Father-Leopoldine Society) 1834/0912
- MLEO 4/039 Author : Salzeder, Simon (Father-Enzenkirchen) nd
- MLEO 4/039 Recipient : Leopoldine Society nd
- MLEO 4/040 Author : Prasch? 1834/1217
- MLEO 4/040 Recipient : Leopoldine Society 1834/1217
- MLEO 4/041 Author : Mohr, Placidus (Father-Chaplain-Marienthal, Tyrol) 1834/0311
- MLEO 4/041 Recipient : Leopoldine Society 1834/0311
- MLEO 4/042 Author : Vastawski, Feter (Father-Chaplain-St.Barbara, Vienna) 1834/0521
- MLEO 4/042 Recipient : Leopoldine Society 1834/0521
- MLEO 4/043 Author : Ziegler, Gregorius Thomas (Bishop of Linz) 1834/0821
- MLEO 4/043 Recipient : Leopoldine Society 1834/0821
- MLEO 4/044 Author : Ziegler, Gregorius Thomas (Bishop of Linz) 1834/0821
- MLEO 4/044 Recipient : Leopoldine Society 1834/0821
- MLEO 4/045 Author : Leonhard, Johann Michael (Vic Gen-Tit. Bp-LS Director) 1834/0905