This box contains the diaries and daybooks of Adolfo Camarillo. There are 12 volumes with dated entries in Spanish and English. Translations and transcriptions were completed by former staff and almost all of the diaries have a transcript and/or a set of notes that go along with it.

This box contains the following: a copy of Early Spanish-California Folk-Songs, collected by Eleanor Hague, harmonized and set for voice and piano by Gertrude Ross, and published by J. Fischer and Bro., New York (1922); Tweedy Rouce's invoices, tax statements, nursery plant lists, correspondence, cards, and other materials related to the Camarillo Ranch business from early 1900s and a brochure from the 1941 California State Fair; the testimony of Arcadia Mahoney (sister of Adolfo and Juan E. Camarillo) for a suit regarding their mother's will, dated 1908; letter from lawyer Orestes Orr regarding settlement of the former case by the California Supreme Court, dated October 1908; papers on "The Railroad Comes to Camarillo" by Florence Brown Dawson; planning for Camarillo by Bill Freur; a Christmas speech by Adolfo Camarillo in Spanish; the society news section of the Camarillo News, January 1, 1929; printed business cards, stationery, and Christmas cards; blank checks, tax bills, and receipts; deeds for the period 1865-1875.

This box also contains correspondence that includes: family letters dated 1857-1870s and 1900-1941; notes from around 1908; correspondence on farming and selling businesses, and some letters addressed to Mother Martina Camarillo, 1898-1908; letters regarding the Pleasant Valley School, Board of Supervisors, and the California State Fair, dated 1907-1908, 1940; letters on the California State Automobile Association, dated 1908; letter between Adolfo Camarillo and J.P. Harrington regarding place names and local history, 1953-1957; Frank A. Camarillo's letters to and from various organizations, 1942-1943; and letter's regarding Frank A. Camarillo's Selective Service registration and 1 snapshot of Edith, circa 1942-1943.

Finally, there is also a folder of a wide variety of ephemera such as a Patterson Ranch ice cream souvenir, a ticket for the 1938 UCLA vs USC football game, postcards, cards, brochures, advertisements, Pierce Arrow Motor Car specification sheet, Mah Jong score cards and a booklet, a blank medical examiner's form in Spanish, and regulations booklet for the 1941 California State Fair. There is also a photo album that largely includes Juan E. Camarillo's travels and family life in Camarillo, as well as some loose photographs of family members that have not been identified or dated.

This box contains the contents of 2 family albums and 5 large photographs. The contents of the albums have been foldered for preservation. The materials on each page of the albums are foldered together and original order has been maintained.

The album labeled "Carmen Camarillo Jones" contains: a decree of distribution of the estate of Juan Camarillo (March 1882); documents and correspondence related to Juan Camarillo's estate (1892); corrected field notes for Rancho Calleguas that are badly damaged (circa 1875) and a typed transcript of the field notes; photocopies of Bank of A. Levy certificates (circa 1905); an indenture contract between Martina H. de Camarillo and her sons, Adolfo and Juan (1891); Martina H. de Camarillo's wills (1885, 1890); a letter signed Martina H. de Camarillo expressing a desire to update her will to include all her children (1896); Adolfo Camarillo and Isabella Menchaca's marriage certificate (January 9, 1888); letter from Adolpho to Isabella re: Dona Martina's death (April 1898); Juan Camarillo and Martina Hernandez Camarillo's funeral notices (1880, 1898); a funeral notice for Susanna Elwell Menchaca and notes on funeral notices (1899); correspondence to Adolfo Camarillo from Jno. S. Chapman, attorney, regarding a bill (August 31, 1906); correspondence from Juan Camarillo regarding damage to a vineyard (circa 1870s); notes for poem written by Frank Camarillo (1905, 1906); letter from T.R. Bard to Juan Camarillo, Sr. regarding profits from leasing land (November 15, 1875); letter from Francisca Camarillo to one of her sisters (February 24, 1870); bills of sales and agreements between the Camarillo brothers and suppliers (1878-1891); a tally of crops and accounts on Fireman's Fund Insurance Company stationery (1891-1894); notes and a tally for crop (1895); a note or advance from A. Levy for A. Camarillo for agricultural products (March 1898); a lease from A. Camarillo to U.T. Ruiz (November 1, 1915); Deed No. 48 Gabriel Ruiz to Juan Camarillo (September 22, 1875); San Francisco "Figaro", Vol. IV, Number 250 (October 3, 1870); and a booklet titled Music for the Camarillo March, composed by L. Sandstone in honor of Juan Camarillo (October 1989).

The second album includes the following contents: court records for the estate of Aldegunda C. del Campo (1927); a letter to the Franciscan Fathers of California from Juan E. Camarillo deeding property (circa 1933); Juan E. Camarillo's will, records of his properties, and correspondence (1933-1936); letter from Adolfo Camarillo to his father (December 1876); permission to build Camarillo family crypts at St. Mary Magdalene's in Camarillo and plans (1952); Frank A. Camarillo's military correspondence and honorable discharge papers (1918-1919); lease from Martina H. Camarillo to James Fisher, J.N. Pawelti [unclear], W.L. Davis, and W.F. Willoughby (1891, 1892); receipt for burial plot for Adolfo Camarillo in Santa Clara Cemetery, Catholic Church of New Jerusalem (April 26, 1898); Camarillo family letters, including to the de la Guerra family (1868, 1872, 1881); deed from Mercedes de la Palma y Mesa to Martina H. Camarillo (February 28, 1880); Adolfo Camarillo correspondence to E.E. Everett re: Encino Ranch waterways (August 1922); letters confirming baptism of Adolfo Nicefero Juan Menchaca Camarillo at Santa Clara Church in El Rio (1906, 1942); permit for Adolfo Camarillo to cross highways with a tractor (September 30, 1918); tally of accounts for Adolfo Camarillo (September 1906); settlement of claim made by Mary A. Conrad, mother of employee killed in accident on Camarillo farm (March 16, 1928); agreement to close businesses on Good Friday signed by several businesses (March 29, 1918); letter from Juan Camarillo to California comptroller (July 1852); sales form for car parts for Adolfo Camarillo (March 19, 1918); sales report for oil from Camarillo (March 1921); and receipt for sale of beans (September 2, 1915).

The five photographs include: a framed photograph are Juan E. Camarillo, Leo Carrillo, and Emilio Passaras. Passaras was Camarillo's secretary and may have been his companion; a framed photograph of Juan E. Camarillo with unidentified Franciscan brothers (July 1936); a photograph of an unidentified family member (circa 1930s); and two photographs of University of Santa Clara students (1914). Frank A. Camarillo attended the University of Santa Clara.