- CSEL : Joseph Selinger: Manuscripts
- CSEL 1/01 Folder : Correspondence 1878-1913
- CSEL 1/01 Correspondent : Anton Pauck, Otto Zaidetti, Joseph Rainer, H. Muehlsiepen, Joseph A. Wuerz, Joseph A. Wuer D.J. O'Connell, Sister M. Walburga Salinger, H. J. Heuser, John J. Keane, J.J. Keogh, Thomas J. Shahan, Francis Johannes, C. Coppens, S.J., John L. Long, Austin O'Malley, B. J. Campbell, O. J. S. Hoog, Paul D. Carpenter, W.B. Rogers, A. Kuhls, Anna Frawley, Victor Gettelman, Archbishop A. Pelletier, E. Poirier, William F. McKenna, H. A. Sphengler, Rudolf Lehmann 1878-1913
- CSEL 1/02 Folder : Correspondence 1919-1923
- CSEL 1/02 Correspondent : Augustinus Kilian, Wilhelm Berning, Cardinal Schulte, Joseph Damian Schmitt, Ludwig Maria Hugo, M. Cardinal Faulhaber, Bernard Widmann, Joseph Leo, Wolfgang Bachmeier, A. Cardinal Bertram, Carl Fritz, Christian Schreiber, Joseph Gross, Ignatius Reider, Edward O'Rourke 1919-1923
all are European Bishops
- CSEL 1/03 Folder : Correspondence 1923-1929
- CSEL 1/04 Folder : Correspondence 1930-1936
- CSEL 1/05 Folder : Correspondence concerning Mass Stipends 1904-1935
- CSEL 1/06 Folder : Miscellaneous Correspondence 1888-1933