Correspondence from William Randolph Hearst and Millicent Hearst to San Simeon chef Emmett Reilly. Collection is largely unprocessed. Documents date between 1929 and 1983. More information available at: https://oac.cdlib.org/findaid/ark:/13030/c8mw2fwv/

The Messinger Collection contains 100 black-and-white photographs that record one soldier's views of Japan in the closing days of World War II, including 14 aerial photographs of Nagasaki after the atomic bombing on August 9, 1945. Collection also includes documentation of Pearl Harbor and Sasebo. Collection is entirely from 1945. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt1489q8s0/admin/

Papers of two generations of the Smith family — Dr. Frank Herron Smith and his son Dr. Morris Eugene "Gene" Smith — including vintage broadsides and government reports on the internment of Japanese-Americans during World War II and correspondence from the elder Smith to government officials advocating for improved treatment and safety for returning internees. Entire collection dates between 1936 and 2005. Collection is divided into two series between both family members. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt2p30242w/

Published caricatures and illustrations of William Randolph Hearst, an American newspaper publisher. Sources include illustrations published in Puck, Harper's Weekly, and Judge. Collection is largely unarranged and unprocessed. Collection dates between 1898 and 1920. More information available at https://oac.cdlib.org/findaid/ark:/13030/c8125rcf

Financial and personal papers of Reverend Samuel Slocombe, former pastor of Cayucos Presbyterian Church in Cayucos, California. Includes but is not limited to: land grants, stocks, and receipts. Collection materials date between 1886 and 1907. Collection is not arranged and in original order from time of donation. More information available at: https://oac.cdlib.org/findaid/ark:/13030/c8cc0zdp/

Photograph album containing approximately 150 late 19th century and early 20th century photographs, capturing Banff, Canada southward to San Diego, CA. Most photographs captured in Southern California. From the collection of photographer Thomas Wheeler Carpenter. Finding aid available at https://oac.cdlib.org/findaid/ark:/13030/c8g73kh5/

Records of the civic and social non-profit organization founded in 1925. Monday Club records include meeting minutes, presidents' papers, operations and financial records, fundraising events, social activities, scrapbooks, and ephemera relating to the mission of the club and its members. Also includes records on the Monday Club building, designed by Julia Morgan. Collection dates between 1924 and 2015. Finding aid available at: https://oac.cdlib.org/findaid/ark:/13030/c8445s4b/

Collection of correspondence, photographs, and related material from the Sinsheimer family.

Collection of family papers, office records, and photographs documenting Trinkkeller's artistry and his extensive client list. This included producing ironwork for publisher William Randolph Hearst at his San Simeon estate where Trinkkeller collaborated with architect Julia Morgan; correspondence and photographs within the collection document their work together. Other noteworthy clients were oil magnate Edward Doheny; comedian Will Rogers; movie producer Cecil B. DeMille; and other well–to–do Southern Californians during the period 1896-1942, as reflected in Trinkkeller's original account ledgers. Entirety of collection spans between 1896 and 1999. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt4j49q904/

The Central Coast Farm Labor Organizing Collection contains materials relating to migrant farm workers on the Central Coast of California, including oral histories, reports, correspondence, strike ephemera, and secondary sources. Photographs taken by Manuel Echavarria documenting the United Farm Worker movement and used in the exhibit "iViva la Causa! A Decade of Farm Labor Organizing on the Central Coast" are included in the collection. Finding aid available at https://oac.cdlib.org/findaid/ark:/13030/kt3g50363t/

Photographs (originals and copy prints) and documents related to members of the San Luis Obispo Chapter of the Ninety Nines, an international organization of licensed women pilots. Includes copies of items related to Amelia Earhart. Collection material dates between 1960 and 1977. Finding aid available at: https://oac.cdlib.org/findaid/ark:/13030/c88057q6/

Transcripts, analysis, and recorded oral history interviews conducted by Cal Poly Ethnic Studies students with Latina/o immigrants and descendants in the San Luis Obispo area, including Liz Chávez Villarino, daughter of César Chávez.

This collection contains approximately 225 landscape sketches by English muralist and ceramist Camille Solon. Items in the collection include re-worked pencil sketches of rural locations and landscapes in Britain and northern California, where he lived most of his adult years. Collection materials date between 1900 and 1952. Original organization of papers has been preserved. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt987037dh/

The Horner Architectural Photography Collection contains 307 vintage, black and white mounted photographs taken by Benjamin Bean Horner (1893-1971), an architect who practiced in Southern California, primarily Los Angeles and Santa Barbara. The photographs are from the 1920s; the majority of the images are of historic structures in England and California. Entire collection dates between 1919 and 1930. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt10003483/

Papers of California native and environmental activist Harold Miossi, containing extensive correspondence with other environmentalists, government employees, elected officials, and leaders of non–profit environmental groups, legal proceedings, government documents, photographic prints, maps, and text and notes for many of Miossi's statements at public hearings. Collection dates between 1942 and 1990. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt5489r0g5/

Papers of San Luis Obispo environmental activist Lee Wilson, including correspondence, research notes and materials, and photographs, primarily relating to the founding and early years of Santa Lucia Chapter of the Sierra Club, the creation of the Santa Lucia Wilderness Area, and other watchdog efforts in San Luis Obispo County, California. Collection materials date between 1956 and 1989. More information available at:https://oac.cdlib.org/findaid/ark:/13030/kt2p30243d/

Collection consists of blueprint sets, preliminary plans and drawings, and brown line prints, related to Ms. Shloss' work as an architectural draftsman at several architectural and engineering firms in Los Angeles. Those firms include Pereira & Luckman Associates, William R. Stephenson, and Victor Gruen and Associates.

Collection contains transcriptions, audio cassette and video tape interviews of long-time residents of Guadalupe, California. The interviews were recorded in 2003 and 2004 by California Polytechnic State University students and faculty. The stories reflect history, culture, and life in Guadalupe and reflect the multicultural mix of residents including Swiss-Italian, Portuguese, Filipino, Chumash, Mexican, Chinese, and Japanese ancestry. Materials in English and Spanish. Finding aid available at: https://oac.cdlib.org/findaid/ark:/13030/c8wq08vb/

The personal papers of Alice Martin, a civic-minded African-American woman known for her charitable nature and community service, consists primarily of correspondence, employment and war records, photographs, and realia. Collection dates between 1937 and 2004. Collection is divided into five series ranging from personal papers to artifacts. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt25803113/

The San Luis Obispo Regional Blueprints Collection contains architectural drawings, blueprints and specifications, discovered during the remodel of an old warehouse once belonging to the Southern Pacific Milling Company in San Luis Obispo, California. The bulk of the collection is made up of residential blueprints dating from 1938-1939 for houses located all over California's Central Coast (entire collection spans between 1936 to 1940). More information available at: https://oac.cdlib.org/findaid/ark:/13030/c8jw8ffp/

Huber's files for his consulting engineering work for the San Francisco-based architectural firm, James Rupert Miller and Timothy L. Pflueger. Collection is unarranged and remains in original order. Jobs contained in the collection include: Paramount Theater, Oakland; and design work on the SF-Oakland Bay Bridge. Collection dates between 1915 and 1928. More information available at: https://oac.cdlib.org/findaid/ark:/13030/c87m06nw/

This collection, 1972-1999 (bulk 1983-1995), contains the papers of architectural historian Sara Holmes Boutelle, including extensive correspondence, research notes, photographs, interview notes, book drafts, articles, book reviews, presentation notes, and newspaper clippings, primarily relating to California architect Julia Morgan, women in American architecture, and historic preservation in the Bay Area, donated by her heirs in 2000. Finding aid available at https://oac.cdlib.org/findaid/ark:/13030/kt7g5027xh/

Project archive of the documentary photography exhibit 'With Our Own Eyes,' a youth led exhibition about the indigenous community of San Juan Nuevo Parangaricutiro, Michoacan residing in Paso Robles, California, created in 2005. Includes 43 framed prints with 6 interpretive boards with captions created by various youth. Finding aid available at: https://oac.cdlib.org/findaid/ark:/13030/c8jm2gr3/

Collection of architect and engineer Walter T. Steilberg, who worked for Julia Morgan in the 1920s and 1930s, including vintage photographic prints of Morgan projects and Steilberg's published and unpublished recollections of Morgan and her practice. Documents relate to Morgan's commissions in the Bay Area. Collection dates between 1908 and 1974. Collection is divided between Personal and Professional Papers. More information available at: https://oac.cdlib.org/findaid/ark:/13030/kt7f59r17m/