- PLSO : Lay Societies : Printed Material
- PLSO 1-3/ Series : Young Men's / Young Women's Catholic Clubs
- PLSO 1/01 Folder : Publications by the Catholic Committee on Scouting 1940-1943
- PLSO 1/01 Document : Catholic Investiture Ceremony for Boy Scouts 1940
- PLSO 1/01 Document : Catholic Investiture Ceremony for Cubs [Cub Scouts] 1940
- PLSO 1/01 Document : Catholic Prayer Book For Boy Scouts 1943
- PLSO 1/02 Folder : Constitution and By-Laws and Privileges of the Ephpheta Society 1909
- PLSO 1/03 Folder : The Catholic Students' Association of America Bulletin No. 1 1908
- PLSO 1/04 Folder : Cincinnati Newman Club 10th Anniversary Publication 1933
- PLSO 1/05 Folder : Sodality of the Blessed Virgin Mary Rules 1879
- PLSO 1/06 Folder : Knights of the Altar Pamphlet 1939
- PLSO 1/07 Folder : Young Men's Institute Louisville, KY. Convention Souvenir Pamphlet 1903
- PLSO 1/08 Folder : Mackin Council of Young Men's Institute Louisville, KY - Silver Jubilee Booklet 1922
- PLSO 1/09 Folder : Owensboro, KY. Rally of Catholic Students' Mission Crusade 1937/0528
- PLSO 1/10-15 Group : Kolping Society 1923-1941
- PLSO 1/10 Folder : Kolping Society Katholischer Gesellen-Verein 51st Anniversary Assembly Booklet [In German and English] 1923/0930
- PLSO 1/11 Folder : "Adolf Kopling and the Kolping Society of the United States" 1941/0730
- PLSO 1/12 Folder : Booklet Advertising the Chicago House of the Kolping Society [No Date]
- PLSO 1/13 Folder : 10th Anniversary Booklet of the Cincinnati Council of the Kolping Society [In German and English] 1934/1028
- PLSO 1/14 Folder : Pamphlet of the 7th National Convention of the Kolping Society of America [In German and English] 1935/08-09
- PLSO 1/15 Folder : 'Festschrift zum Golden Jubelfest des Katholischen Gesellevereins (Catholic Kolping Society)' [In German] 1938
- PLSO 1/16 Folder : St. Joseph's Church (St. Louis, MO) Chapter of St. Joseph's Young Men's Sodality Golden Jubilee Booklet [In German and English] 1913
- PLSO 1/17 Folder : 'History of St. Boniface League of Iowa' Pamphlet
- PLSO 1/18 Folder : St. Aloysius Young Men's Society 50th Anniversary Souvenir Program 1941
- PLSO 1/19 Folder : St. Joseph's Young Men's Society Golden Jubilee Souvenir Program 1921
- PLSO 1/20 Folder : Chicago Diocesan Union of German Catholic Young Men's Societies 25th Anniversary Pamphlet 1914
- PLSO 1/21 Folder : Ss. Peter and Paul Young Men and Young Ladies Sodalities Diamond Jubilee Booklet 1936
- PLSO 1/22 Folder : '40th Anniversary Celebration of St. Stanislaus J.U.V.' 1913
- PLSO 1/23 Folder : St. Boniface Chapter of the St. Joseph's Young Men's Society Golden Jubilee Booklet 1906
- PLSO 1/24 Folder : South Bend, IN. Chapter of St. Joseph Young Men's Society Anniversary Booklet 1950
- PLSO 1/25 Folder : Pamphlet from the Convention of Sodalities of the Blessed Virgin Mary in Wisconsin 1929
- PLSO 1/26 Folder : Centennial Celebration Program from Young Men's and Young Ladies's Sodalities 1951
- PLSO 1/27 Folder : Newspaper Article on Catholic Club of Covington, KY. from Catholic Telegraph, Cincinnati, OH 1892/0630
- PLSO 1/28 Folder : Cincinnati, OH. Fenwick Club Publications circa 1922
- PLSO 1/29 Folder : Constitution and By-Laws of the Fort Wayen Diocesan Council of Catholic Women
- PLSO 1/30 Folder : 'Fifty Years of Catholic Action' from the National Catholic Womens Union 1966
- PLSO 1/31 Folder : St. Patrick's Church South Bend, IN - Newspaper Articles 1905-1914
- PLSO 1/32 Folder : Queen's Daughters Louisville KY. Yearbooks 1949-1955
- PLSO 1/33 Folder : 25th Anniversary Booklet of National Catholic Women's Union 1941
- PLSO 1/34 Folder : 'Zwazek Polek W Ameryce' 25th Anniversary Booklet 1923
- PLSO 2/01-2/13 Series : Knights of Columbus Publications 3 PSLO 2/01 ~ 1922-1924 ~ Series ~ Knights of Columbus, Bardstown, KY - 'The Faithful Mariner' 4 PSLO 2/01 ~ 1922/1119 ~ Title ~ 'The Faithful Mariner' Vol. I No. 1 4 PSLO 2/01 ~ 1922/1217 ~ Title ~ 'The Faithful Mariner' Vol. I No. 2 4 PSLO 2/01 ~ 1923/0121 ~ Title ~ 'The Faithful Mariner' Vol. I No. 3 4 PSLO 2/01 ~ 1923/0211 ~ Title ~ 'The Faithful Mariner' Vol. I No. 4 4 PSLO 2/01 ~ 1923/0311 ~ Title ~ 'The Faithful Mariner' Vol. I No. 5 4 PSLO 2/01 ~ 1923/0415 ~ Title ~ 'The Faithful Mariner' Vol. I No. 6 4 PSLO 2/01 ~ 1923/0617 ~ Title ~ 'The Faithful Mariner' Vol. I No. 8 4 PSLO 2/01 ~ 1923/0715 ~ Title ~ 'The Faithful Mariner' Vol. I No. 9 4 PSLO 2/01 ~ 1923/0812 ~ Title ~ 'The Faithful Mariner' Vol. I No. 10 4 PSLO 2/01 ~ 1923/0909 ~ Title ~ 'The Faithful Mariner' Vol. I No. 11 4 PSLO 2/01 ~ 1923/1111 ~ Title ~ 'The Faithful Mariner' Vol. I No. 12 4 PSLO 2/01 ~ 1923/0120 ~ Title ~ 'The Faithful Mariner' Vol. II No. 14 4 PSLO 2/01 ~ 1923/0801 ~ Title ~ 'The Faithful Mariner' Vol. III No. 85 1919-1970
- PLSO 2/02-08 Group : Material from Knights of Columbus Council #390, Louisville, KY. 4 PSLO 2/02 ~ 1963 ~ Folder ~ Knights of Columbus Louisville, KY - 'Good Knight' Newsletter May 4 PSLO 2/03 ~ 1920 ~ Folder ~ Knights of Columbus Louisville Council #390 Directory 4 PSLO 2/04 ~ 1954 ~ Folder ~ Knights of Columbus Louisville, KY - 72nd Convention Pamphlet 4 PSLO 2/05 ~ 1926 ~ Folder ~ Official Souvenir Book of Council #390 from 4 PSLO 2/06 ~ 1919/01-09 ~ Folder ~ 'Good of the Order' Magazine Collection 4 PSLO 2/07 ~ 1962 ~ Folder ~ Knights of Columbus Louisville, KY - State Convention Pamphlet 4 PSLO 2/08 ~ 1963 ~ Folder ~ Knights of Columbus Louisville, KY - Exemplification Pamphlet 3 PSLO 2/09 ~ 1953 ~ Folder ~ Knights of Columbus Council #817 Owensboro, KY. Golden Jubilee Pamphlet 3 PSLO 2/10 ~ 1965 ~ Folder ~ Knights of Columbus 83rd Annual Meeting in Baltimore, MD 3 PSLO 2/11 ~ 1970 ~ Folder ~ Webster Groves (MO) Council #2119 History 1920-1970 3 PSLO 2/12 ~ 1962 ~ Folder ~ 'Sixty Years of Columbianism in Tennessee' Text 3 PSLO 2/13 ~ 1952 ~ Folder ~ 'Fifty Golden Years: Knights of Columbus 1902-1952 - Wisconsin' 1919-1963
- PLSO 3/01-21 Series : Catholic Knights of America and Knights of Columbus Publications
- PLSO 3/01 Folder : Catholic Knights of America Souvenir Guidebooks 1895,1900
- PLSO 3/02 Folder : Catholic Knights of America Louisville, KY. Directory January 1910
- PLSO 3/03 Folder : Tuscon (AZ) Knights of Columbus Council #120062 Yearbook 1961-1962
- PLSO 3/04 Folder : 'Criminal Libels Against The Knights of Columbus Exposed' 1960
- PLSO 3/05 Folder : Pamphlet re: Genuine and Spurious Knights of Columbus Oaths 1894
- PLSO 3/06 Folder : History of Knights of Columbus in California 1902-1972 1972
- PLSO 3/07-17 Subseries : Indiana Knights of Columbus Publications and Materials 1901-1978
- PLSO 3/07 Folder : Jasper, IN - Knights of Columbus 53rd State Convention 1954
- PLSO 3/08 Folder : Jasper, IN - Knights of Columbus 50th Anniversary Guide 1961
- PLSO 3/09 Folder : Notre Dame, IN - Knights of Columbus 50th Anniversary Guide 1960
- PLSO 3/10 Folder : Knights of Columbus Mishawaka, IN. News Clippings 1917-1933
- PLSO 3/11 Folder : Notre Dame, IN - Knights of Columbus Building Dedication 1969
- PLSO 3/12 Folder : Notre Dame, IN - Knights of Columbus 'Santa Maria' Newsletter 1918,1942
- PLSO 3/13 Folder : Vincennes, IN - Knights of Columbus Pamphlets 1926-1927
- PLSO 3/14 Folder : Vincennes, IN - Knights of Columbus By-Laws 1957
- PLSO 3/15 Folder : Evansville, IN - Knights of Columbus Silver Jubilee Pamphlet 1926
- PLSO 3/16 Folder : Knights of Columbus South Bend, IN - News Clippings 1901-1978
- PLSO 3/17 Folder : Washington, IN - Knights of Columbus Golden Jubilee Pamphlet 1952
- PLSO 3/18 Folder : Central Verein - Indianapolis, IN - National Convention Report [In German] 1909
- PLSO 3/19 Folder : Iowa Knights of Columbus 'Protest and a Plea'
- PLSO 3/20 Folder : Manhattan, KS - Knights of Columbus 75th Anniversary Booklet 1957
- PLSO 3/21 Folder : Knights of Columbus 'First 50 Years' in Kansas 1950
- PLSO 4/01-36 Series : German American Societies - Indiana
- PLSO 4/01 Folder : St. Joseph's Staats-Verbandes von Indiana 1896
- PLSO 4/02 Folder : 'Jahres-Bericht des Correspondirenden und Finanz-Sekretaers an die 47te General-Versammlung des D.R.K. Central-Vereins Gehalten in Evansville, Indiana' 1902
- PLSO 4/03 Folder : 'Dierzehnte General Versammlung des . . . St. Josephs Staats-Verbandes von Indiana' 1907
- PLSO 4/04 Folder : 'Offizielles Souvenir . . . 54. General-Versammlung des Deutsche-Roemisch-Katholischen (D.R.K.) Central-Vereins, die 16. General-Versammlung des St. Joseph's Staats-Verbandes von Indiana' 1909
- PLSO 4/05 Folder : Golden Jubilee Program of St. Joseph's Benevolent Associatioin and 17th Annual Convention of St. Joseph's Staats-Verband of Indiana 1910
- PLSO 4/06 Folder : Souvenir Programs of St. Joseph's Staats-Verband of Indiana 1911
- PLSO 4/07 Folder : St. Joseph's Staats-Verband of Indiana Convention Pamphlets 1912
- PLSO 4/08 Folder : Official Invitation to the St. Joseph's Staat-Verband of Indiana Convention 1913
- PLSO 4/09 Folder : St. Joseph's Staats-Verband of Indiana 21st General Convention 1914
- PLSO 4/10 Folder : Program For The 22nd Annual Convention of St. Joseph's Staats-Verband of Indiana 1915
- PLSO 4/11 Folder : Program For The 23rd Annual Convention of St. Joseph's Staats-Verband of Indiana 1916
- PLSO 4/12 Folder : Program For The 24th Annual Convention of St. Joseph's Staats-Verband of Indiana 1917
- PLSO 4/13 Folder : Letters to/from Central-Stelle des D.R.K. Central-Vereins re: Cancelled Annual Convention 1918
- PLSO 4/14 Folder : Program For The 25th Annual Convention of St. Joseph's Staats-Verband of Indiana 1919
- PLSO 4/15 Folder : Program For The 26th Annual Convention of St. Joseph's Staats-Verband of Indiana 1920
- PLSO 4/16 Folder : Programs For 27th Annual State Convention and 65th National Convention of the Roman Catholic Central Society [Central-Verein] 1921
- PLSO 4/17 Folder : St. Joseph's State League [Staats-Verband] of Indiana - 28th Annual Convention Minutes 1922
- PLSO 4/18 Folder : St. Joseph's State League of Indiana - 29th Annual Convention Minutes 1923
- PLSO 4/19 Folder : St. Joseph's State League of Indiana - 30th Annual Convention Minutes 1924
- PLSO 4/20 Folder : Program and Letters re: St. Joseph's State League of Indiana - 31st Annual Convention 1925
- PLSO 4/21 Folder : Program for the St. Joseph's State League of Indiana - 32nd Annual Convention 1926
- PLSO 4/22 Folder : Program, Minutes, and Correspondence for the St. Joseph's State League of Indiana - 33rd Annual Convention 1927
- PLSO 4/23 Folder : Program, Minutes, and Correspondence for the St. Joseph's State League of Indiana - 34th Annual Convention 1928
- PLSO 4/24 Folder : Program, Minutes, and Correspondence for the St. Joseph's State League of Indiana - 35th Annual Convention 1929
- PLSO 4/25 Folder : Program, Minutes, and Correspondence for the St. Joseph's State League of Indiana - 36th Annual Convention 1930
- PLSO 4/26 Folder : Program, Minutes, and Correspondence for the Catholic Central Verein of America 1931
- PLSO 4/27 Folder : Program and Correspondence for the St. Joseph's State League of Indiana - 38th Annual Convention 1932
- PLSO 4/28 Folder : Program and Correspondence for the St. Joseph's State League of Indiana - 39th Annual Convention 1933
- PLSO 4/29 Folder : Program and Correspondence for the St. Joseph's State League of Indiana - 40th Annual Convention 1934
- PLSO 4/30 Folder : Program, Minutes, and Correspondence for the St. Joseph's State League of Indiana - 41st Annual Convention 1935
- PLSO 4/31 Folder : Program and Correspondence for the St. Joseph's State League of Indiana - 42nd Annual Convention 1936
- PLSO 4/32 Folder : Program and Correspondence for the St. Joseph's State League of Indiana - 43rd Annual Convention 1937
- PLSO 4/33 Folder : Program, Minutes, and Correspondence for the St. Joseph's State League of Indiana - 44th Annual Convention 1938