- MLEO S1/023 Author : Glorieux, Alphonse Joseph (Bishop of Boise City) 1900/1112
- MLEO S1/023 Recipient : Schneider, John B. (Bp of Parnassas-LS President) 1900/1112
- MLEO S1/024 Author : Glorieux, Alphonse Joseph (Bishop of Boise City) 1901/0912
- MLEO S1/024 Recipient : Schneider, John B. (Bp of Parnassas-LS President) 1901/0912
- MLEO S1/025 Author : Glorieux, Alphonse Joseph (Bishop of Boise City) 1903/0912
- MLEO S1/025 Recipient : Schneider, John B. (Bp of Parnassas-LS President) 1903/0912
- MLEO S1/026 Author : Glorieux, Alphonse Joseph (Bishop of Boise City) 1904/0426
- MLEO S1/026 Recipient : Schneider, John B. (Bp of Parnassas-LS President) 1904/0426
- MLEO S1/027 Author : Salzbacher, Joseph (Canon-Leopoldine Society) nd
- MLEO S1/027 Recipient : Kaiser, Joseph (Leopoldine Society Bookkeeper) nd
- MLEO S1/028 Author : Fenwick, Benedict Joseph (Bishop of Boston) 1835/0421
- MLEO S1/028 Recipient : Leopoldine Society 1835/0421
- MLEO S1/029a Author : Raffeiner, John Stephen (Father-Boston) 1840/0816
- MLEO S1/029a Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1840/0816
- MLEO S1/029b Author : Arnstein and Eskeles (Bankers-Vienna) 1837/1229
- MLEO S1/029b Recipient : Leopoldine Society 1837/1229
- MLEO S1/030 Author : Fenwick, Benedict Joseph (Bishop of Boston) 1840/0919
- MLEO S1/030 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1840/0919
- MLEO S1/031 Author : Fenwick, Benedict Joseph (Bishop of Boston) 1842/0707
- MLEO S1/031 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1842/0707
- MLEO S1/032 Author : von Gudenus, Karl (Father,SJ-Diocese of Boston) 1895/0301
- MLEO S1/032 Recipient : Gruscha, Anton Joseph (Cardinal Archbishop of Vienna) 1895/0301
- MLEO S1/033 Author : von Gudenus, Karl (Father,SJ-Diocese of Boston) 1896/1127
- MLEO S1/033 Recipient : Leopoldine Society (Director?) 1896/1127
- MLEO S1/034 Author : von Gudenus, Karl (Father,SJ-Diocese of Boston) 1896/0417
- MLEO S1/034 Recipient : Leopoldine Society (Director?) 1896/0417
- MLEO S1/035 Author : Huber, Joseph (Father-Missionary-Diocese of Brooklyn) 1858/0524
- MLEO S1/035 Recipient : Leopoldine Society Board of Directors 1858/0524
- MLEO S1/036 Author : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1858/12
- MLEO S1/036 Recipient : Stoeger, Leopold (Canon-Consistory Advisor-LS Trsr'r) 1858/12
- MLEO S1/037 Author : Angerer, Eduard (Canon-Sec to Cardinal Abp of Vienna) 1858/1203
- MLEO S1/037 Recipient : Huber, Joseph (Father-Missionary-Diocese of Brooklyn) 1858/1203
- MLEO S1/038 Author : Klosterbauer, Franz Sales (Father,OFMCap-Vienna) 1858/1215
- MLEO S1/038 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1858/1215
- MLEO S1/039 Author : Brontikowski, Vincent (Father-Rector-St.Casimir's, NY) 1892/1015
- MLEO S1/039 Recipient : Leopoldine Society 1892/1015
- MLEO S1/040 Author : Leber, Constantin (Father,OSB-St.Barbara Church, NY) 1897/0405
- MLEO S1/040 Recipient : Angerer, Eduard (Vicar General-LS President) 1897/0405
- MLEO S1/042 Author : Simor, Joannes (Abp of Gran, Hungary) 1850/0404
- MLEO S1/042 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0404
- MLEO S1/043 Document : Note of Receipt of Church Items 1850/0603
- MLEO S1/043 Author : Ziegler, Vinzenz (Leopoldine Society) 1850/0603
- MLEO S1/044 Author : Zingerle, Pius (Father,CSsR-Professor-Merano, Italy) 1850/1012
- MLEO S1/044 Recipient : Leopoldine Society Board of Directors 1850/1012
- MLEO S1/045a Author : Imperial Austrian Cabinet for Internal Affairs 1854/0526
- MLEO S1/045a Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1854/0526
- MLEO S1/046 Document : Note of Donations Sent 1855/0210
- MLEO S1/046 Author : Leopoldine Society 1855/0210
- MLEO S1/046 Subject : Szajbely (Canon-Archdiocese of Erlau?) 1855/0210
- MLEO S1/047 Author : Haynald, Ludwig (Bishop of Siebenbuergen) 1855/0312
- MLEO S1/047 Recipient : Leopoldine Society Board of Directors 1855/0312
- MLEO S1/048 Author : Hatala, Aloysius (Fr,SchP-Prvncl-St.Georg, Hungary) 1855/0824
- MLEO S1/048 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1855/0824
- MLEO S1/049 Author : Angerer, Eduard (Canon-Sec to Cardinal Abp of Vienna) 1855/0919
- MLEO S1/049 Recipient : Hatala, Aloysius (Fr,SchP-Prvncl-St.Georg, Hungary) 1855/0919
- MLEO S1/050 Author : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1855
- MLEO S1/050 Recipient : Stoeger, Leopold (Canon-Chncry of Vienna-LS Treasurer) 1855
- MLEO S1/051 Author : Timon, John (Bishop of Buffalo) 1856/1029
- MLEO S1/051 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1856/1029
- MLEO S1/052 Author : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1856/1128
- MLEO S1/052 Recipient : Stoeger, Leopold (Canon-Chncry of Vienna-LS Treasurer) 1856/1128
- MLEO S1/053 Author : Hatala, Aloysius (Fr,SchP-Missionary-Dio of Buffalo) 1857/0803
- MLEO S1/053 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1857/0803
- MLEO S1/054 Author : Hatala, Aloysius (Fr,SchP-Missionary-Dio of Buffalo) 1857/0805
- MLEO S1/054 Recipient : Leopoldine Society 1857/0805
- MLEO S1/055 Author : Csajda, Joannes (Fr-Pastor-Diocese of Nitria, Hungary) 1857/0807
- MLEO S1/055 Author : Hantik, Stephanus (Fr-Pastor-Dio of Nitria, Hungary) 1857/0807
- MLEO S1/055 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1857/0807
- MLEO S1/056 Author : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1858/0606
- MLEO S1/056 Recipient : Stoeger, Leopold (Canon-Chncry of Vienna-LS Treasurer) 1858/0606
- MLEO S1/057a Author : Timon, John (Bishop of Buffalo) 1858/0609
- MLEO S1/057a Recipient : Leopoldine Society 1858/0609
- MLEO S1/057b Author : Sorg, Nicolaus (Father-Diocese of Buffalo) 1875/1116
- MLEO S1/057b Recipient : Leopoldine Society 1875/1116
- MLEO S1/058 Author : Ryan, Stephanus V. (Bishop of Buffalo) 1875/0325
- MLEO S1/058 Recipient : Leopoldine Society 1875/0325
- MLEO S1/059 Author : Semenenko, Petrus (Father,CR-Praep. General-Rome) 1875/0529
- MLEO S1/059 Recipient : Leopoldine Society 1875/0529
- MLEO S1/060 Document : List of Amounts of Money Received by Missionaries 1874-1875
- MLEO S1/060 Author : Leopoldine Society 1874-1875
- MLEO S1/060 Subject : Lanz, Carl (Father-Missionary in America) 1874-1875
- MLEO S1/060 Subject : Niedzielski, Joseph (Father-Missionary in America) 1874-1875
- MLEO S1/061 Author : Sorg, Nicolaus (Father-Diocese of Buffalo) 1875/1116
- MLEO S1/061 Recipient : Leopoldine Society 1875/1116
- MLEO S1/062 Author : Zehengruber (Chancellor-Leopoldine Society) 1877/0526
- MLEO S1/062 Author : Zenott (Canon-Leopoldine Society) 1877/0526
- MLEO S1/062 Recipient : Leopoldine Society 1877/0526
- MLEO S1/063 Author : Semelka, Theophil (Father-Vienna) 1896/0210
- MLEO S1/063 Recipient : Leopoldine Society 1896/0210
- MLEO S1/064 Author : Juliana (Mother Superior,OSF-Buffalo) 1900/03?
- MLEO S1/064 Recipient : Leopoldine Society 1900/03
- MLEO S1/065 Author : Antl, Franz (Father-Missionary-Savannah, IL) 1895/0520
- MLEO S1/065 Recipient : Leopoldine Society 1895/0520
- MLEO S1/066 Author : Maria Francesca (Sister,CHFN-Rome) 1896/0414
- MLEO S1/066 Recipient : Leopoldine Society (Prelate?) 1896/0414
- MLEO S1/067 Author : d'Maria, Jesus (Sister,CHFN-London) 1896/0525
- MLEO S1/067 Recipient : Leopoldine Society (Prelate?) 1896/0525
- MLEO S1/068 Document : Statement of Purpose for St.Joseph's Industrial Schl. 1900/01
- MLEO S1/068 Author : Society of the Divine Word (Chicago) 1900/01
- MLEO S1/068 Subject : St.Joseph's Home-Industrial School (Shermerville, IL) 1900/01