| Series W-10 | Peter Maurin Papers, ca. 1909- | 
| Series W-11 | Biographical Information Files, 1935- | 
| Series W-12 | Stanley Vishnewski Papers, 1933-1980 | 
| Series W-13 | Charles M. Butterworth Papers, 1927-1978 | 
| Series W-14 | Deane Mowrer Papers, 1938-1989, undated | 
| Series W-15 | Arthur T. and Elizabeth O. Sheehan Papers, 1929-1975, undated | 
| Series W-16 | Ammon Hennacy Papers, 1915-2001 | 
| Series W-17 | Nina Polcyn Moore Papers, 1935-2005 | 
| Series W-18 | Casa Maria House of Hospitality (Milwaukee, WI) Records, 1966- | 
| Series W-19 | Haley House (Boston, MA) Records, 1966- | 
| Series W-20 | Davenport (IA) Catholic Worker Community Records, 1973-1990 | 
| Series W-21 | Des Moines (IA) Catholic Worker Community Records, 1976- | 
| Series W-22 | David Mason Papers, ca 1941, 1949-1969, undated | 
| Series W-23 | Los Angeles Catholic Worker Community Records, 1970- | 
| Series W-24 | St. Louis Catholic Worker Community Records, 1977- | 
| Series W-25 | Arthur Sheehan House of Hospitality (Brooklyn, NY)  Records, 1967-1990 | 
| Series W-26 | Seattle Catholic Worker Records, 1974-2007 | 
| Series W-27 | Catholic Worker Houses of Memphis Records, 1970-1998 | 
| Series W-28 | Casa Maria (Tucson, AZ) Records, 1981- | 
| Series W-29 | Bread and Justice Catholic Worker House (Bremerton, WA) Records, 1980-1982 | 
| Series W-30 | Clare House Catholic Worker Community (Bloomington, IL) Records, 1977-2015 | 
| Series W-31 | Gene Detro Papers, 1962-1985, undated | 
| Series W-32 | St. Francis Catholic Worker Community (Spotsylvania, VA) Records, 1979- | 
| Series W-33 | Tulsa Catholic Worker Community Records, 1981-1988 | 
| Series W-34 | San Diego Catholic Worker Records, 1979- | 
| Series W-35 | St. Benedict's Catholic Worker House of Hospitality (Washington, DC) Records, 1980-1983 | 
| Series W-36 | Romero House of Hospitality (Morgantown, WV) Records, 1981-1986 | 
| Series W-37 | Alderson Hospitality House (Alderson, WV) Records, 1976- | 
| Series W-38 | Portland (OR) Catholic Worker Community Records, 1977-1986 | 
| Series W-39 | Jean Donovan Catholic Worker House (St. Cloud, MN) Records, 1983-1990 | 
| Series W-40 | Dorothy Day House of Hospitality (Moorhead, MN) Records, 1983- | 
| Series W-41 | Loaves and Fishes Catholic Worker House (Norfolk, NE) Records, 1983-1984 | 
| Series W-42 | Dallas Catholic Worker Records, 1984- | 
| Series W-43 | Robert Ellsberg Papers, 1976-1985 | 
| Series W-44 | Las Vegas (NV) Catholic Worker Community Records, 1980- | 
| Series W-45 | Dorothy Day House Community (Syracuse, NY) Records, 1981-1989 | 
| Series W-46 | Dorothy and William Gauchat Papers, 1930-2001 | 
| Series W-47 | Unity Kitchen Community (Syracuse, NY) Records, 1970- | 
| Series W-48 | Simple Gifts, Inc. (Albany, NY) Records, 1976-1987 | 
| Series W-49 | Rev. John J. Hugo Papers, 1924-1993 | 
| Series W-50 | St. Jude Catholic Worker House (Champaign/Urbana, IL) Records, 1981-2016 | 
| Series W-51 | Viva House (Baltimore, MD) Records, 1968-2023, undated | 
| Series W-52 | Geoffrey B. Gneuhs Papers, 1973-2014 | 
| Series W-53 | John Filligar Catholic Worker Farm (Alderson, WV) and Llewellyn Scott and Mary Harris Catholic Worker Houses (Washington, D.C.) Records, 1982-ca. 2008 | 
| Series W-54 | Sts. Francis and Therese Catholic Worker Community (Worcester, MA) Records, 1986- | 
| Series W-55 | Mustard Seed Catholic Worker (Worcester, MA) Records | 
| Series W-56 | Anathoth Community Farm (Luck, WI) Records | 
| Series W-57 | David Buer Papers, 1981-2003 | 
| Series W-58 | St. Elizabeth Catholic Worker (Chicago, IL) Records, 1979-2004 | 
| Series W-59 | Charles Quilty Papers, 1992 | 
| Series W-60 | Denver Catholic Worker Records, 1978- | 
| Series W-61 | Casa Juan Diego Catholic Worker Community (Houston, TX) Records, 1981- | 
| Series W-62 | Mary House Catholic Worker (Austin, TX) Records, 1991- | 
| Series W-63 | St. Catherine of Genoa Catholic Worker (Chicago, IL) Records, 1989-1997 | 
| Series W-64 | Bethany House of Hospitality (Oakland, CA) Records, 1990-1998 | 
| Series W-65 | Dorothy Day Catholic Worker (Washington, DC) Records | 
| Series W-66 | Thomas C. Cornell Papers, 1957- | 
| Series W-67 | Duluth Catholic Worker Records | 
| Series W-68 | Scott Mathern-Jacobson Papers | 
| Series W-69 | Cyril Echele Papers, 1935-2007 | 
| Series W-70 | Saginaw (MI) Catholic Worker Community Records | 
| Series W-71 | Rochester (NY) Catholic Worker Community Records, 1934-2016 | 
| Series W-72 | Rosalie G. Riegle Papers | 
| Series W-73 | Gerald J. Griffin Papers, 1935-1979 | 
| Series W-74 | Brian Kavanagh Papers | 
| Series W-75 | Brian Terrell Papers | 
| Series W-76 | Frank Donovan Papers, 1962-2012 | 
| Series W-77 | Frank Cordaro Papers, 1973- | 
| Series W-78 | Jacques Travers Papers, 1961-1995, undated | 
| Series W-79 | Johnny Baranski Papers, 1969-1987 | 
| Series W-80 | Larry Morlan Papers | 
| Series W-81 | Michael Kirwan Papers, 1974-2004 | 
| Series W-82 | Sacramento Catholic Worker Records, 1976-2008 | 
| Series W-83 | Su Casa Catholic Worker (Chicago, IL) Records | 
| Series W-84 | Jeff Dietrich Papers, 1970- | 
| Series W-85 | Olympia (WA) Catholic Worker Records | 
| Series W-86 | Santa Rosa (CA) Catholic Worker Records, 1981-2013, undated | 
| Series W-87 | Tina Sipula Papers, 1978- | 
| Series W-88 | Holy Family Catholic Worker (Kansas City, MO) Records,1973-2017 | 
| Series W-89 | Earth Abides Catholic Worker Farm (Sheep Ranch, CA) Records, 1975-2017 | 
| Series W-90 | St. Francis Farm Community (Lacona, NY), 1977-2022 
 | 
| Series W-91 | Catholic Worker Newspapers 
 | 
| Series W-92 | Waukesha Catholic Worker Records (Waukesha, WI), 1994-2024 
 | 
| Series W-93 | Peter King Papers, 2016-2022 | 
| Series W-94 | Peggy Scherer Papers, 1970-2022 | 
| Series W-95 | Bloomington (IN) Catholic Radical Catholic Worker House Records, 2008-2025 |