- MLEO S3/189 Recipient : Leopoldine Society 1848/0208
- MLEO S3/190 Author : Hierstand, Leopold (Father,OCARM-Cloister-Vienna) 1853/0829
- MLEO S3/190 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1853/0829
- MLEO S3/191 Author : Habersberger, Leopold (Fr-Chaplain-Budweis, Bohemia) 1853/0511
- MLEO S3/191 Recipient : Leopoldine Society 1853/0511
- MLEO S3/192 Author : Leopoldine Society 1853/0509
- MLEO S3/192 Recipient : Chancery of Brixen 1853/0509
- MLEO S3/193a Author : Neumann, John Nepomucene (Bishop of Philadelphia) 1855/0120
- MLEO S3/193a Recipient : Leopoldine Society 1855/0120
- MLEO S3/193b Author : Sommer, Severin (Father-Mission Priest-Olmuetz) 1854/07
- MLEO S3/193b Recipient : Leopoldine Society 1854/07
- MLEO S3/194 Author : Koenigsbrunner (Chancery of Olmuetz) 1855/0131
- MLEO S3/194 Recipient : Leopoldine Society 1855/0131
- MLEO S3/195 Author : Junek, Josef (Teacher-Liesdorf Vicarate, Koeniggraetz) 1855/0524
- MLEO S3/195 Recipient : Leopoldine Society 1855/0524
- MLEO S3/196 Author : Zelfert (Count-Minister of Cults-Underscrtry-Vienna) 1856/0813
- MLEO S3/196 Recipient : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1856/0813
- MLEO S3/197 Author : Rauscher, Joseph Othmar (Cardinal Abp of Vienna) 1856/0813
- MLEO S3/197 Recipient : Zelfert? (Count-Minister of Cults-Underscrtry-Vienna) 1856/0813
- MLEO S3/198 Author : Masson, Peter (Fr-Vicar Foreign-East Mauch Chunk, PA) 1910/0428
- MLEO S3/198 Recipient : Leopoldine Society? (Canon) 1910/0428
- MLEO S3/199 Document : Note of Monetary Support 1888/0722
- MLEO S3/199 Author : Leopoldine Society 1888/0702
- MLEO S3/199 Subject : Margaretha (Sister-Philadelphia) 1888/0702
- MLEO S3/200 Author : von Gallitzin, Demetrius Augustin (Father-Loretto, PA) 1835/0627
- MLEO S3/200 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1835/0627
- MLEO S3/201 Author : von Schmittau, Louise Amelia (Sister,OVM-Countess) 1837/0815
- MLEO S3/201 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1837/0815
- MLEO S3/202 Author : Altieri, Louis (Crd-Tit. Abp of Ephesus-Nuntio-Vienna) 1844/0202
- MLEO S3/202 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1844/0202
- MLEO S3/203 Author : Wolf, Anton Aloys (Archbishop of Laibach) 1845/0124
- MLEO S3/203 Recipient : Leopoldine Society 1845/0124
- MLEO S3/204 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1845/1020
- MLEO S3/204 Recipient : von Bruchmann, Johann Christian (Edler-LS Treasurer) 1845/1020
- MLEO S3/205 Author : Woytarowicz, Josef (Bishop of Tarnow-Poland) 1845/0201
- MLEO S3/205 Recipient : Chancery of Vienna 1845/0201
- MLEO S3/206 Document : Note of Receipt of Donation from Diocese of Szatmar 1845/1207
- MLEO S3/206 Author : Leonhard, Johann Michael (Feldbishop-LS Director) 1845/1207
- MLEO S3/206 Subject : Burg, Joseph (Father-Missionary) 1845/1207
- MLEO S3/207 Author : Kutschker, Johann Rudolph (Chancery of Olmuetz) 1845/0423
- MLEO S3/207 Recipient : Leopoldine Society 1845/0423
- MLEO S3/208 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1845/0423
- MLEO S3/208 Recipient : Chancery of Goerz 1845/0423
- MLEO S3/209 Author : Luschin, Francis Xavier (Archbishop of Goerz) 1847/0129
- MLEO S3/209 Recipient : Leopoldine Society 1847/0129
- MLEO S3/210 Author : Luschin, Francis Xavier (Archbishop of Goerz) 1847/0302
- MLEO S3/210 Recipient : Leopoldine Society 1847/0302
- MLEO S3/211 Author : Hilley, Peter (Canon-Goerz, Austria) 1847/0703
- MLEO S3/211 Recipient : Leopoldine Society 1847/0703
- MLEO S3/212 Author : Hilley, Peter (Canon-Goerz, Austria) 1847/0810
- MLEO S3/212 Recipient : Leopoldine Society 1847/0810
- MLEO S3/213 Document : List of Donations, Partial List of Priests in America 1850/0416
- MLEO S3/213 Recipient : Leopoldine Society 1850/0416
- MLEO S3/213 Subject : Mosetizh (Father-Diocese of Pittsburgh) 1850/0416
- MLEO S3/214 Author : Luschin, Francis Xavier (Archbishop of Goerz) 1850/0423
- MLEO S3/214 Recipient : Leopoldine Society 1850/0423
- MLEO S3/215 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0501
- MLEO S3/215 Recipient : Luschin, Francis Xavier (Archbishop of Goerz) 1850/0501
- MLEO S3/216 Author : Stibiel, Johann (Father-Pastor of Piazetta,Goerz) 1850/0526
- MLEO S3/216 Recipient : Leopoldine Society 1850/0526
- MLEO S3/217 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0601
- MLEO S3/217 Recipient : Luschin, Francis Xavier (Archbishop of Goerz) 1850/0601
- MLEO S3/218 Author : Luschin, Francis Xavier (Archbishop of Goerz) 1850/0610
- MLEO S3/218 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0610
- MLEO S3/219 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1850/0615
- MLEO S3/219 Recipient : Benvenuti, Johann? (Leopoldine Society Treasurer) 1850/0615
- MLEO S3/220 Author : Mosetizh, Johann Evangelist (Fr,CSsR-Mssnry-Sem.Goerz) 1852/0527
- MLEO S3/220 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0527
- MLEO S3/221 Author : Mosetizh, Johann Evangelist (Father,CSsR-Goerz) 1852/0720
- MLEO S3/221 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0720
- MLEO S3/222 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0608
- MLEO S3/222 Recipient : Mosetizh, Johann Evangelist (Father,CSsR-Goerz) 1852/0608
- MLEO S3/223 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0619
- MLEO S3/223 Recipient : Benvenuti, Johann (Baron-LS Treasurer) 1852/0619
- MLEO S3/224 Author : Mosetizh, Johann Evangelist (Father,CSsR-Goerz) 1852/0614
- MLEO S3/224 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1852/0614
- MLEO S3/225 Document : Letter of Recommendation 1858/0613
- MLEO S3/225 Author : O'Connor, Michael (Father,SJ-Bishop of Pittsburgh) 1858/0603
- MLEO S3/225 Subject : Lapagne, Joannes (Chancery of Goerz) 1858/0613
- MLEO S3/225 Subject : Stibiel (Father) 1858/0613
- MLEO S3/226 Author : Stibiel, Johann (Father-Goerz) 1858/0613
- MLEO S3/226 Recipient : Leopoldine Society 1858/0613
- MLEO S3/227 Author : Leber, Constantin (Father,OSB-Cambria County, PA) 1895?
- MLEO S3/227 Recipient : Leopoldine Society (Director-Vicar General) 1895?
- MLEO S3/228 Author : Griffin, John (Fr,CSSp-Holy Ghost College-Pittsburgh) 1895/0425
- MLEO S3/228 Recipient : Leopoldine Society 1895/0425
- MLEO S3/229 Author : Epp, Hyacinth (Father,OFMCap-Hays, KS) 1895/0425
- MLEO S3/229 Recipient : Leopoldine Society 1895/0425
- MLEO S3/230 Author : Griffin, John (Father,CSSp-Pittsburgh, PA) 1896/0419
- MLEO S3/230 Recipient : Leopoldine Society 1896/0419
- MLEO S3/231 Author : Griffin, John (Father,CSSp-Pittsburgh, PA) 1897/0419
- MLEO S3/231 Recipient : Leopoldine Society 1897/0419
- MLEO S3/232 Author : Soengen, Bruno (Father,SB-Laud, IN) 1897/0222
- MLEO S3/232 Recipient : Friedrich, Eduard (Leopoldine Society-Vienna) 1897/0222
- MLEO S3/233 Author : Karl, Franz (Father-Altoetting, Germany) 1899/0308
- MLEO S3/233 Recipient : Monsignore? 1899/0308
- MLEO S3/234 Author : Griffin, John (Fr,CSSp-Holy Ghost College-Pittsburgh) 1898/1017
- MLEO S3/234 Recipient : Leopoldine Society 1898/1017
- MLEO S3/235 Author : Griffin, John (Fr,CSSp-Holy Ghost College-Pittsburgh) 1899/0509
- MLEO S3/235 Recipient : Leopoldine Society (Directors) 1899/0509