Correspondence Arranged Alphabetically by Correspondent
- CLIT 9/06 Folder : Liturgical Music - Fifth Annual Demonstration
- CLIT 9/07 Folder : Liturgical Week 1940
- CLIT 9/08 Folder : Locke, Jesse Albert 1933-1934
- CLIT 9/09 Folder : Lonergan, Joseph, Rev. 1937
- CLIT 9/10 Folder : Longley, Alfred 1937
- CLIT 9/11 Folder : Longmans, Green, & Co. 1935-1937
- CLIT 10/01 Folder : Lovatt, George 1933-1935
- CLIT 10/02 Folder : Lowes, Marvin McCord
- CLIT 10/03 Folder : Lum, Bertha 1929
- CLIT 10/04 Folder : Mackay, Clarence H. 1931-1933
- CLIT 10/05 Folder : MacKenzie, Eric F., Rev. 1933
- CLIT 10/06 Folder : Macmullen, Sydney L, Mrs. 1938
- CLIT 10/07 Folder : Madden, Mani R.
- CLIT 10/08 Folder : Magee, W.C. 1937
- CLIT 10/09 Folder : Maginnis, Charles D. 1926-1938
- CLIT 10/10 Folder : Magner, James, Rev. 1938
- CLIT 10/11 Folder : Maguire, Edward C., Rev. 1934
- CLIT 10/12 Folder : Male, Emile 1932
- CLIT 10/13 Folder : Marcadet, J. 1937
- CLIT 10/14 Folder : Maritain, Jacques 1933-1949
- CLIT 10/15 Folder : Martinez, Micaela 1937
- CLIT 10/16 Folder : Maryknoll - Special Issue 1936
- CLIT 11/01 Folder : Maryknoll - Bro. Leo 1935-1937
- CLIT 11/02 Folder : Maryknoll 1934-1935
- CLIT 11/03 Folder : Matson, G. Eric 1938
- CLIT 11/04 Folder : Maurin, Peter 1933
- CLIT 11/05 Folder : McCabe, David A. 1931-1933
- CLIT 11/06 Folder : McCarthy, Joe W. 1934
- CLIT 11/07 Folder : McCloskey, Matthew 1934
- CLIT 11/08 Folder : McDonald, A.J., Most Rev. 1929-1930
- CLIT 11/09 Folder : McElligott, Bernard, Rev. 1927
- CLIT 11/10 Folder : McEnerney, Garret W. 1938
- CLIT 11/11 Folder : McGarrigle, Francis J., Rev. 1934-1936
- CLIT 11/12 Folder : McGill, Henry J. 1932-1934
- CLIT 11/13 Folder : McGucken, Joseph T., Rt. Rev. 1937
- CLIT 11/14 Folder : McKenna, Norman 1935-1937
- CLIT 11/15 Folder : McMenamin, H.L., Rev. 1934
- CLIT 11/16 Folder : McMullen, Leo A. 1934
- CLIT 11/17 Folder : McNamara 1932
- CLIT 11/18 Folder : McNicholas, John T., Most Rev. 1934-1951
- CLIT 11/19 Folder : Meehan, John, Rev. 1934-1938
- CLIT 11/20 Folder : Meem, John Gaw 1932
- CLIT 11/21 Folder : Meeus, Charles 1935
- CLIT 11/22 Folder : Meiers, Hildreth, Mrs. 1934
- CLIT 11/23 Folder : Melancon, L. 1933
- CLIT 11/24 Folder : Mellerio dits Meller 1934
- CLIT 11/25 Folder : Mercier, Evangeline, Miss 1936
- CLIT 11/26 Folder : Meyer, Eugene, Mrs. 1937
- CLIT 11/27 Folder : Michel, Dom Virgil 1934-1938
- CLIT 11/28 Folder : Michigan Catholic 1932
- CLIT 11/29 Folder : Miller, Kathleen 1934
- CLIT 11/30 Folder : Minihan, J.F., Rev. 1936
- CLIT 11/31 Folder : Miserkiewicz, A., Rev. 1934
- CLIT 11/32 Folder : Misrahi, Jean, Mr. 1938
- CLIT 11/33 Folder : Mitty, John J., Most Rev. 1934
- CLIT 11/34 Folder : Molloy, Thomas E., Most Rev. 1935
- CLIT 11/35 Folder : Montani, Nicola A. 1938
- CLIT 11/36 Folder : Moody, John 1931-1938
- CLIT 11/37 Folder : Mooney, Edward, Most Rev. 1936-1938
- CLIT 11/38 Folder : Morey, C.R. 1932-1935
- CLIT 11/39 Folder : Morris, Joan, Miss 1937-1938
- CLIT 11/40 Folder : Morrissey, John P., Rev. 1935
- CLIT 11/41 Folder : Mueler, Franz, Dr. 1938
- CLIT 11/42 Folder : Mueller-Munk, Peter 1933-1938
- CLIT 11/43 Folder : Murphy, Frederich 1930-1934
- CLIT 11/44 Folder : Murphy, Henry 1934-1937
- CLIT 11/45 Folder : Mutch, Joseph, Rev. F. 1931-1933
- CLIT 12/01 Folder : Nabuco, Joaquim 1931-1938
- CLIT 12/02 Folder : Nainfa, John A., Rev. 1927-1928
- CLIT 12/03 Folder : National Glass Budget 1933
- CLIT 12/04 Folder : Neely, S.V., Mrs. 1934
- CLIT 12/05 Folder : Newton, Henry Carlton 1938
- CLIT 12/06 Folder : New York - Dept. of Taxation & Finances 1934
- CLIT 12/07 Folder : Norfolk, Duke of 1936
- CLIT 12/08 Folder : O'Connell, William Cardinal 1930-1937
- CLIT 12/09 Folder : O'Neill, Eugene 1934
- CLIT 12/10 Folder : O'Neill, Gordon - THE MONITOR 1931-1937
- CLIT 12/11 Folder : O'Neill, Raymond 1934
- CLIT 12/12 Folder : O'Rourke, William J., Rev. 1932
- CLIT 12/13 Folder : O'Shaughnessy, Michael 1933-1934
- CLIT 12/14 Folder : Owens, Frater Gerard 1936
- CLIT 12/15 Folder : Paige, Myles A. 1936
- CLIT 12/16 Folder : Patnoff, John C. A. 1934
- CLIT 12/17 Folder : Pendleton, Allan, Rev. 1934
- CLIT 12/18 Folder : Penty, A.J., Mrs. 1934
- CLIT 12/19 Folder : Pepler, Hilary D.C. 1933-1936
- CLIT 12/20 Folder : Peterson, John B., Most Rev. 1933
- CLIT 12/21 Folder : Phelan, Gerald, Rev. 1935-1937
- CLIT 12/22 Folder : Pius X School of Liturgical Music - Mother Stevens 1930-1932
- CLIT 12/23 Folder : Plassman, Thomas, Rev. 1931-1937
- CLIT 12/24 Folder : Pontifical Commission of Sacred Art 1936
- CLIT 12/25 Folder : Power, Richard E. 1931
- CLIT 12/26 Folder : Post, Gaines 1934
- CLIT 12/27 Folder : Powell, Donald 1934-1935
- CLIT 12/28 Folder : Prinknash Abbey 1930
- CLIT 12/29 Folder : Properzi, N., Rev. 1934
- CLIT 12/30 Folder : Prothmann, Konrad 1934
- CLIT 12/31 Folder : Pulini, Paolo 1932
- CLIT 12/32 Folder : Purves, Austin 1932-1933
- CLIT 12/33 Folder : Quilisma Club 1936