| Episcopal Church of the Epiphany Collection, 1912-2004. |
| Rainbow Bridge National Monument Collection, 1907-1988. |
| Alpine Garden Club of Flagstaff, Arizona Collection, 1948-1988. |
| Arizona Historical Advisory Commission Collection, 1966-1974. |
| Arizona Pageant Collection, ca. 1930's. |
| Arizona River Runners Incorporated, 1969-1983. |
| Arizona State Dental Society Collection, 1909-1967. |
| Arizona Statehood Proposal Collection, 1901-1910. |
| Arizona Wool Growers Association, 1880-1980. |
| Arizonans for Safe Energy, Flagstaff Chapter, 1973-1976. |
| Arthur Adel Collection, 1909-2000. |
| Babbitt Brothers Trading Company, 1880-1999. |
| Bill Belknap Collection, 1869-1985. |
| Camp Navajo Environmental Restoration Collection, 1979-2004. |
| Carnegie - Cal Tech Expedition Collection , October 1937 - November 1937. |
| Coconino Citizens Association, 1974-1977. |
| Day Family Collection, 1858-1977 (bulk 1870-1940). |
| Delia Barker Collection, 1916-1975. |
| Elijah Blair Collection, 1944-1996. |
| First National Bank of Arizona Collection, 1860-1977. |
| Flagstaff 2020 Collection, 1996-1997. |
| Flagstaff Building Timeline Collection, 1890-2000. |
| Flagstaff Chamber of Commerce Records, 1871-1999 (bulk 1950-1980). |
| Flagstaff Public Library Oral History Project, 1975-1977. |
| Fred Harvey Company Collection, 1900-1996. |
| George Babbitt Collection, ca. 1890-1970. |
| George Billingsley Collection, 1877-2000. |
| Georgie Clark Collection, 1898-1994. |
| Glen Hyde Collection, 1865-1941. |
| Grand Canyon Pioneers Society, Inc. Collection, 1897-1997. |
| Harold F. Osborne, 1947-1949. |
| Harvey Butchart Collection, 1945-1985. |
| Hopi Extension Work Reports Collection, 1934-1959. |
| Inland Forest Research Council Collection, 1947-1985. |
| Jake C. Bracker Collection, 1916-1983 (bulk 1916-1927). |
| James J. Hanks Collection, 1916-1933. |
| Jerome State Historic Park Collection, 1900-1952. |
| John Duncklee, 1969-1974. |
| John G. Babbitt Collection, 1905-1994. |
| Joseph Bean and Laura Tappan Collection, 1835-1949. |
| Karan English Collection, 1978-1994. |
| Lois Jotter Cutter Collection, 1938-1995. |
| Los Recuerdos del Barrio en Flagstaff Collection, 1900-2000. |
| Navajo Army Depot Records, 1942-1992. |
| Oliver Heywood Haslam Collection, 1903-1907, 1963-1965. |
| Paul Wright Collection, 1946-1993 |
| Pauline Henson Collection, 1962, 1969. |
| Perry M. Ling Collection, 1898-1945. |
| Philip Johnston Collection, 1896-1982. |
| Pinewood Country Club Development Records, 1969-1995. |
| Platt Cline Collection, 1884-1983. |
| Platt Cline Collection, 1884-1983. |
| Plez Talmadge Reilly Collection, 1810-1996 (bulk
1930-1960). |
| Pulliam Family Collection, 1907-1978. |
| Raymond and Helga Frost Collection, 1949-1955. |
| Richard and Jean Wilson Collection, 1964-1983. |
| Richard E. Westwood Collection, 1945-1991 |
| Robert Eunson Collection, 1930-1975 |
| Saginaw and Manistee Lumber Company Collection, 1893-1954. |
| Saginaw and Manistee Lumber Company/Stone Forest Collection, 1902-1953. |
| Sam Steiger Collection, 1970-1976. |
| Tad Nichols Collection, 1931-2000. |
| Tom Bellwood Presidential Papers, 1945-1947. |
| Tuba City Guest Ranch Registers, 1927-1934, 1949. |
| United Indian Traders Association Records, 1931-2002. |
| V.W. Abbott Collection, 1900-1912. |
| Wide Ruins and Pine Springs Trading Posts Records, 1938-1949. |
| Willow Powers Collection, 1998-2001. |
| Wilson and Louise Riles Collection, 1948-1953. |
| A.F. Whiting Collection, 1930-1979. |
| African American Pioneers in Flagstaff Oral History Collection, 1998-2002.
|
| Al Richmond Oral History Collection, 1975-1985. |
| All Indian Pow Wow Records, 1939-1957. |
| American Association of University Women (Flagstaff Branch) 1937-2004. |
| Ammon Hennacy and Associates Collection |
| Andre M. Faure Collection, 1925-1968. |
| Apache County Mines Record Book Collection, 1879-1881. |
| Arizona Federation of Women's Clubs Collection, 1903-1960. |
| Arizona Lumber and Timber Company Collection, 1889-1983 (bulk1889-1952). |
| Arthur Adams Collection, 1921. |
| Bruce Babbitt Collection, 1974-1990. |
| Bruce Green Collection, 1975. |
| Buzz Holmstrom Collection, 1935-1944 (bulk 1935-1938). |
| Cecil Earl Cram Oral History Collection, 1870-1940s. |
| Dawn Dollard Collection, 1974. |
| Desert Magazine Collection, 1937-1973. |
| Don Lyngholm Papers, 1970-1992. |
| Donald Davis Collection, 1964-1989. |
| Dorothea C. Leighton and Alexander H. Leighton, 1938-1982. |
| Dr. Walter and Nancy Taylor Collection, 1968-1981. |
| Early Exploration and Travel Map Collection, 1752-1985. |
| Ecological Oral Histories Collection, 2005. |
| Emery Kolb Collection, 1850-1988. |
| Fire on the Plateau Collection, 1987-2002. |
| Flagstaff Festival of Science Collection, 1990-2005. |
| Flagstaff Floral Arrangers, 1968-2005. |
| Forestry Map Collection, 1890-1987. |
| Frederick Dockstader Collection, 1901-1998. |
| Frederick S. Dellenbaugh/Elwood P. Bonney Collection May 1931 -Nov. 1935, Oct. 1938, Nov. 1942, and 1960-1981. |
| G.M. Farley Collection, 1953-1986. |
| General Land Office Field Notes, 1878-1972. |
| General Land Office Map Collection, 1866-1969. |
| General Thomas S. Sedgwick Collection, 1850-1910. |
| Geologic and Topographic Map Collection, 1873-1993. |
| Geology Map Collection, 1876-ca. 1999. |
| George Harris Collingwood Collection, 1910-1915. |
| George Lamont Mancuso Collection, 1982-2001. |
| George S. Tanner Collection, 1876-1977. |
| Grand Canyon Chamber Music Society Collection, 1984-2000. |
| Grand Canyon River Guides [GCRG], 1972, 1988- |
| Grand Canyon Trust Collection, 1985-2000. |
| Grazing Map Collection, 1900-1970. |
| Harold Martin Collection, 1959. |
| Harry E. Crum Photographs, 1921-1928. |
| Historical Geography Map Collection, 1572-1999. |
| Ivan Summers Collection, 1958-1964. |
| James Biglin Collection, 1970-1972. |
| James Fraser Collection, 1967. |
| Janet Lynn Freiheit Collection, 1975. |
| Jenifer McNelis Collection, 1975. |
| John Hennessy Collection, 1926-1959. |
| John McGregor Collection, 1881-1975. |
| John Wesley Powell Display Collection, 1850s to 1960s. |
| John Wesley Powell Memorial Monument Collection, 1911-1914. |
| Joseph Hall Collection, 1960-1974. |
| Joyce Griffen Collection, 1979-1985. |
| Lacey Eastburn NAU Presidential Papers, 1947-1957. |
| Lauzon Family Collection, 1885-1982. |
| Louis A. Hieb Collection, 1918-1977. |
| Mangum, Wall, Stoops, and Warden [Firm] Collection, 1937-1976. |
| Margaret Goddard Collection, ca. 1930, 1957-1983. |
| Martin J. Anderson Collection, 1809-1995. |
| Mary Montano Collection, 1975. |
| Melvin Hutchinson Collection, 1967-1968. |
| Michael Brown - New Age Collection, 1989-1995. |
| Mining Map Collection, 1900-1990. |
| National Parks Map Collection, 1871-1995. |
| Navajo Environmental Issues Collection, 1978-1994. |
| Navajo Traders Collection, 1868-1999. |
| Navajo-Hopi Indian Relocation Commission Records, 1965-1991. |
| New Age Collection, 1936-2004. |
| Norm Nevills Collection, 1931-2002. |
| Northern Arizona Mormon Pioneers Collection, 1735-2001. |
| Northern Arizona University Indian Education Oral History Project, 1977-1981. |
| Outdoor Recreation Map Collection, 1960-1995. |
| P. David Seaman Collection, 1974-1985. |
| Patrice Horstman Collection, 1975. |
| Philip Smith Collection, 1960. |
| Railroad Map Collection, 1857-1965. |
| Raymond Blair Collection, 1903, 1948-1976. |
| Raymond Nakai Collection, 1963-1988 |
| Reese Ling Collection, 1900-1939. |
| Richard (Dick) Sprang Collection, 1873-2000. |
| River Map Collection, 1858-1988. |
| Road Map Collection, ca. 1800-1987. |
| Robert C. Euler Collection, 1752-2001 (bulk, 1955-2001). |
| Robert C. Euler Collection, 1752-2001 (bulk, 1955-2001). |
| Russell Duff Collection, 1955. |
| Southwestern Navajo Reservation trade relationships: the Navajo perspective oral history collection, 1994. |
| Stretch Fretwell Collection, 1960-1961. |
| Thomas Elmer Pollock Collection,
1904-1942 |
| Thomas J. Tormey Presidential Papers, 1933-1944. |
| Urban Maps Collection, 1873-2001. |
| Vernon "Brick" Mortenson Collection, 1955-1962. |
| Veronica Evaneshko Collection, 1950-1996. |
| Virginia Brown, Ida Bahl, and Lillian Watson Collection, 1922-1994. |
| Ward Family Collection, January 1958-January 31, 2003. |
| William "Wully" Wares Diary, August 4, 1936-September 15, 1936. |
| William and June Wagoner Collection, 1950-1954. |
| William G. Bass Collection, 1890-1970. |
| William Lyon Collection, 1965. |
| William Walker Collection, 1906-1987. |
| Woodrow Reiff Collection, 1940-1958. |