- MLEO S4/166 Recipient : Leopoldine Society (Treasurer) 1846/0924
- MLEO S4/167 Author : Pierling, Jacobus (Fr,SJ-Prvncl-Dispersed Aust. Order) 1849/0218
- MLEO S4/167 Recipient : Milde, Vincent Eduard (Archbishop of Vienna) 1849/0218
- MLEO S4/168 Document : Notes on Missions of Jesuits, Redemptorists in America 1848
- MLEO S4/168 Author : Salzbacher, Joseph (Canon-Leopoldine Society) 1848
- MLEO S4/169 Author : Mohr, Placidus (Father-Chaplain-Marienthal, Tyrol) 1834/0311
- MLEO S4/169 Recipient : Leopoldine Society 1834/0311
- MLEO S4/170 Author : Freinadinetz (Prov-Vicar-Chancery of Trent) 1834/0329
- MLEO S4/170 Recipient : Leopoldine Society 1834/0329
- MLEO S4/171 Author : Ziegler, Gregorius Thomas (Bishop of Linz) 1834/0420
- MLEO S4/171 Recipient : Leopoldine Society 1834/0420
- MLEO S4/172 Author : Ziegler, Gregorius Thomas (Bishop of Linz) 1834/0420
- MLEO S4/172 Recipient : Leopoldine Society 1834/0420
- MLEO S4/173 Author : Paslawsky, Peter (Fr-Greek Catholic Chaplain-Vienna) 1834/0521
- MLEO S4/173 Recipient : Leopoldine Society 1834/0521
- MLEO S4/174 Author : Held, Simon (Chancellor-Chancery of Linz) 1834/0612
- MLEO S4/174 Recipient : Anton, Karl (LS Secretary-in Lichtenberg) 1834/0612
- MLEO S4/175 Author : Wimmer, Franz (Bookseller-Prague) 1839/0612
- MLEO S4/175 Recipient : Chancery of Prague 1839/0612
- MLEO S4/176 Author : Chancery of Gratz 1841/0120
- MLEO S4/176 Recipient : Leopoldine Society 1841/0120
- MLEO S4/177 Author : Scitkovsky, Joannes (Archbishop of Fuenfkirchen) 1846/0115
- MLEO S4/177 Author : Slaby, Francis (Official of Admin. of Diocese of Pecs) 1846/0115
- MLEO S4/177 Recipient : Leopoldine Society 1846/0115
- MLEO S4/178 Author : Chancery of Graz 1846/0203
- MLEO S4/178 Recipient : Leopoldine Society 1846/0203
- MLEO S4/179 Author : Achatz, Michael (Canon-Chancery of Klagenfurth) 1846/0309
- MLEO S4/179 Recipient : Leopoldine Society 1846/0309
- MLEO S4/180 Author : Chancery of Gurk 1946?
- MLEO S4/180 Recipient : Leopoldine Society 1946?
- MLEO S4/181 Author : von Ehrenberg, Vinc. (Assessor-Chancery of Olmuetz) 1846/0826
- MLEO S4/181 Author : Kutschker, Johann Rudolph (President-Chncy of Olmuetz) 1846/0826
- MLEO S4/181 Recipient : Leopoldine Society 1846/0826
- MLEO S4/182 Author : Milde, Vincent Eduard (Archbishop of Vienna) 1847/0520
- MLEO S4/182 Recipient : Leopoldine Society (Treasurer) 1847/0520
- MLEO S4/183a Author : Wolf, Anton Aloys (Archbishop of Laibach) 1847/0712
- MLEO S4/183a Recipient : Leopoldine Society 1847/0712
- MLEO S4/183b Author : Chancery of Graz 1847/1016
- MLEO S4/183b Author : Chancery of Steyermark 1847/1016
- MLEO S4/183b Recipient : Leopoldine Society 1847/1016
- MLEO S4/184 Author : Riegersperger, Katharina (Krems, Austria) 1847?
- MLEO S4/184 Recipient : Leopoldine Society 1847?
- MLEO S4/185 Author : Leopoldine Society 1849/0731
- MLEO S4/185 Recipient : Chancery of Brixen? 1849/0731
- MLEO S4/186 Author : Chancery of Olmuetz 1850/0220
- MLEO S4/186 Recipient : Chancery of Vienna 1850/0220
- MLEO S4/187 Author : Kunanday, Joh. (Deanery of Grosswissenitz) 1850/0103
- MLEO S4/187 Recipient : Chancery of Vienna? 1850/0103
- MLEO S4/188 Document : Extract of Will and Testament 1850/0311
- MLEO S4/188 Author : Krauss, George (Fr-Former Chaplain of Hoebersdorf) 1850/0311
- MLEO S4/189 Author : Wokrzel, Joseph (Canon-Chancery of Bruenn) 1850/0409
- MLEO S4/189 Recipient : Leopoldine Society 1850/0409
- MLEO S4/190 Document : Note of Donation of Mass Robe 1852/0606
- MLEO S4/190 Author : Leopoldine Society 1852/0606
- MLEO S4/190 Subject : von Liechtenstein (Princess) 1852/0606
- MLEO S4/191 Author : Leeb, Prokop Knirpl (Chancellor-Chancery of Budweis) 1852/0529
- MLEO S4/191 Recipient : Leopoldine Society 1852/0529
- MLEO S4/192 Author : Leeb, Prokop Knirpl (Chancellor-Chancery of Budweis) 1852/0812
- MLEO S4/192 Recipient : Leopoldine Society 1852/0812
- MLEO S4/193 Document : Note of Anonymous Donation of a Double Stole 1852/1118
- MLEO S4/193 Author : Leopoldine Society 1852/1118
- MLEO S4/194 Author : Mayr, Franz (Fr-Breitenbach-Dist. Rattenberg-Tyrol) 1854/0811
- MLEO S4/194 Recipient : Leopoldine Society 1854/0811
- MLEO S4/195 Author : Audersky, Albert (Father-Rohrau, Austria) 1854/0822
- MLEO S4/195 Recipient : Chancery of Vienna 1854/0822
- MLEO S4/196 Author : Schwarz, Simon (Father-Dean-Deanery of Probstdorf) 1854/0924
- MLEO S4/196 Recipient : Chancery of Vienna 1854/0924
- MLEO S4/197 Document : List of Donations of Church Items 1854/1202
- MLEO S4/197 Author : Leopoldine Society 1854/1202
- MLEO S4/198 Author : Auer (Imperial Court & State Printing-Administ-Vienna) 1861/0606
- MLEO S4/198 Recipient : Leopoldine Society 1861/0606
- MLEO S4/199 Author : Chancery of Olmuetz 1854/0426
- MLEO S4/199 Recipient : Leopoldine Society 1854/0426
- MLEO S4/200 Author : Poppenberg, Mathias (Fr-Pastor-St. Leopold, Vienna) 1865/0426
- MLEO S4/200 Recipient : Leopoldine Society 1865/0426
- MLEO S4/201 Author : Chancery of Tarnow, Galicia 1868/1205
- MLEO S4/201 Recipient : Leopoldine Society 1868/1205
- MLEO S4/202 Author : Hammermueller (Chancery of Bruenn) 1871/1116
- MLEO S4/202 Author : Knopp, Leon (Secretary-Dean of the Cathedral) 1871/1116
- MLEO S4/202 Recipient : Leopoldine Society? 1871/1116
- MLEO S4/203 Author : Sauter, Kaspar (Chancery of Bruenn) 1840/0904
- MLEO S4/203 Recipient : Chancery of Vienna 1840/0904
- MLEO S4/204 Author : Lauermann, Joseph (Advisor-Chancery of Leitmeritz) 1846/0114
- MLEO S4/204 Recipient : Leopoldine Society 1846/0114
- MLEO S4/205 Document : Note of Check from an Anonymous Donor 1846/0620
- MLEO S4/205 Author : Leopoldine Society 1846/0620
- MLEO S4/205 Subject : Siegel, Ludwig (Don,CRSP-Provincial-Vienna) 1846/0620
- MLEO S4/206 Author : Chancery of Graz 1846/0725
- MLEO S4/206 Author : Chancery of Steyermark 1846/0725
- MLEO S4/206 Recipient : Leopoldine Society 1846/0725
- MLEO S4/207 Author : Chancery of Graz 1856/1231
- MLEO S4/207 Author : Chancery of Steyermark 1856/1231
- MLEO S4/207 Recipient : Leopoldine Society 1856/1231
- MLEO S4/208 Author : District Court of Komotau 1861/0404
- MLEO S4/208 Recipient : Leopoldine Society? 1861/0404
- MLEO S4/209a Author : Zorn, Aloisin? (Archbishop of Goerz) 1894/1228
- MLEO S4/209a Recipient : Leopoldine Society 1894/1228
- MLEO S4/209b Author : Luccheri, J.J. (Fr,SJ-Holy Cross Mssn-Koserefaky, AR) 1902/0601
- MLEO S4/209b Recipient : Gruscha, Anton Joseph (Cardinal Archbishop of Vienna) 1902/0601
- MLEO S4/210 Author : Rebmann, J. (Father,SJ-Gonzaga College-Spokane, WA) 1903/0425