| Adams, Samuel (billhead) | S/S 2018 |
| Age (of buildings and structures) | F/W 2018-19 |
| Airport (proposed for Cowell Ranch) | S/S 2016 |
| Amphitheater (interpretive sign) | S/S 2018 |
| Amphitheater (opening) | F/W 2017-18 |
| Amphitheater (to be restored) | S/S 2015 |
| Archaeology (update on Cabin B) | F/W 2010-11 |
| Archaeology (cabin B study completed) | F/W 2012-13 |
| Archaeology (student dig) | F/W 2016-17 |
| Archaeology (student dig) | S/S 2014 |
| Archaeology (student dig) | S/S 2015 |
| Baker-Rabe, Philippa (student, interview) | F/W 2010-11 |
| Barn, Hay (artifacts displayed) | F/W 2018-19 |
| Barn, Hay (dedicated) | F/W 2015-16 |
| Barn, Hay (documentation starts) | S/S 2011 |
| Barn, Hay (exhibit at the MAH) | F/W 2012-13 |
| Barn, Hay (feasibility study) | F/W 2012-13 |
| Barn, Hay (study completed) | F/W 2011-12 |
| Barrel lifter (tool) | S/S 2010 |
| Bell, Edith (shares family history) | S/S 2016 |
| Big Basin (road through Cowell lands) | F/W 2021-22 |
| Bison | S/S 2014 |
| Boy Scouts (restore fence) | F/W 2011-12 |
| Bricks (sent to museum in Japan) | F/W 2012-13 |
| Bricks (refractory used in kilns) | F/W 2008-09 & 2023-24 |
| Brown, Albert (biography) | S/S 2009 |
| Buffalo | S/S 2014 |
| Cabin A (details of construction) | F/W 2022-23 |
| Cabin B (restoration begins) | S/S 2009 |
| Cabin B (restoration continues) | F/W 2009-10 |
| Cabin B (restoration photos) | S/S 2012 |
| Cabin B (see also Archaeology, Nails, Newspapers, Rose) | |
| Cabrillo Civic Club (donation) | F/W 2008-09 |
| Cacace, Jo Ann (interview) | F/W 2008-09 |
| Cardiff Gate (repaired) | S/S 2019 |
| Cardiff House (sesquicentennial) | S/S 2014 |
| Cardiff House (gets seismic upgrade) | F/W 2015-16 |
| Cardiff House (seismic upgrade done) | S/S 2016 |
| Cardiff Shed (restored) | S/S 2020 |
| Cardiff Shed (restoration) | F/W 2019-20 |
| Cardiff Shed (restoration) | S/S 2011 |
| Carpenter, Erika (staff liaison) | F/W 2019-20 |
| Cattle | S/S 2012 |
| Certificate of Appreciation from City | F/W 2009-10 |
| Community Foundation (grant for cooperage) | F/W 2011-12 |
| Conde, Joseph (interview) | S/S 2012 |
| Conference, Lime (report on) | F/W 2009-10 |
| Cook House (last cooks) | S/S 2012 |
| Cooperage (grant to document) | F/W 2010-11 |
| Cooperage (grant to stabilize) | S/S 2009 |
| Cooperage (history of) | S/S 2018 |
| Cooperage (study completed) | F/W 2012-13 |
| Cooperage (pillar destroyed) | F/W 2019-20 |
| Cooperage (rehabilitation funded) | F/W 2023-24 |
| Cowell, Alice (petitions for more money, 1912) | S/S 2012 |
| Cowell, Ernest V. (employees in will) | F/W 2012-13 |
| Cowell Family (when lived in Santa Cruz) | F/W 2018-19 |
| Cowell, Harry (see Cowell, S. H.) | |
| Cowell, Helen (biography) | S/S 2024 |
| Cowell, Henry (confusion with musician) | F/W 2008-09 |
| Cowell, Henry (1898 interview) | S/S 2017 |
| Cowell, Henry (“Who was Henry Cowell”) | F/W 2015-16 |
| Cowell, Henry (photos of) | S/S 2014 |
| Cowell, Henry (portrait reproduction) | F/W 2022-23 |
| Cowell, Henry (quote about kiln) | S/S 2009 |
| Cowell, Isabella | S/S 2024 |
| Cowell, S. H. (birthday and biography) | S/S 2011 |
| Cowell, S. H. Foundation (grant from) | S/S 2009 |
| Cowell, S. H. (supposed last visit) | S/S 2012 |
| Crystals, Caves & Kilns (exhibit) | F/W 2013 |
| Dating (buildings and structures) | F/W 2018-19 |
| Depressions, economic | S/S 2009 |
| Doyle, William (writes book on UCSC) | S/S 2015 |
| Exhibits, Crystals, Caves, & Kilns | S/S 2014 |
| George Silva historic photos | F/W 2013 |
| Gosliner, Aaron (sign discovered) | F/W 2011-12 |
| Hay (harvesting) | S/S 2012 |
| Hay Barn (see Barn, Hay) | |
| Hay Barn (“Hay Barn dedicated”) | F/W 2015-16 |
| Hay Barn (disassembly) | S/S 2014 |
| Hay Barn (restoration) | F/W 2013 |
| Hay Barn (reconstructed) | S/S 2015 |
| Hayes, Anne | F/W 2018-19 |
| Hermanson, Clea (development liaison) | S/S 2020 |
| Hickey family descendents | S/S 2016 |
| History Fair | S/S 2019 |
| History Fair | F/W 2015-16 |
| History Fair a Big Success | S/S 2016 |
| History of UCSC beginnings (book) | S/S 2015 |
| Hollywood movies and the Cowell Ranch | F/W 2019-20 |
| Hunting, prohibited on Cowell Ranch | S/S 2014 |
| Hunters (unwelcome on Cowell Ranch) | S/S 2012 |
| Hyde, Hal (obituary) | S/S 2021 |
| Hyde, Hal (early history of UCSC) | F/W 2021-22 |
| Johnson, A. S. T. (biography) | F/W 2016-17 |
| Jordan, A. P. and family | F/W 2009-10 |
| Jordan, A. P. (builds house) | S/S 2014 |
| Jordan descendants (visit lime works) | F/W 2010-11 |
| Jordan, Peter | F/W 2017-18 |
| Kalkar Quarry | F/W 2013 |
| Lichens growing on district structures | S/S 2023 |
| Lime Kiln, continuous (sesquicentennial) | F/W 2011-12 |
| Lime Kilns (description of Rincon) | S/S 2012 |
| Lime Kilns (types) | S/S 2016 |
| Lime (used by rich and famous) | F/W 2008-09 |
| Lorenzana, Jim (interview) | S/S 2012 |
| Martin, Joan Gilbert (obituary) | F/W 2022-23 |
| Morgan, Sally (staff liaison departs) | S/S 2012 |
| Movies made here or almost made here | F/W 2019-20 |
| Movies (made here in 1911) | F/W 2011-12 |
| Muse, Stan (boy scout restores fence) | F/W 2011-12 |
| Mowry, John (marketed S.C. to Hollywood) | F/W 2019-20 |
| Nails (using to date Cabin B) | F/W 2010-11 |
| National Trust for Hist. Preservation (grant) | F/W 2010-11 |
| Netto, Joseph and Mary (worked for Cowell) | S/S 2012 |
| Newspapers (old ones in Cabin B) | F/W 2010-11 |
| Nutter, Richard (interview) | S/S 2020 |
| Oral histories by Friends | S/S 2018 |
| Orlando, Alverda (board member) | F/W 2018-19 |
| “Our Lady of Miracles” (artifact discovered) | F/W 2012-13 |
| Paramoure, Patricia (archaeology study by) | F/W 2012-13 |
| Patten, Wilbert (interview) | S/S 2019 |
| Photograph (aerial, 1957) | F/W 2012-13 |
| Photograph (interpretation of 1866) | F/W 2019-20 |
| Photograph (interpretation of c1910) | S/S 2019 |
| Photographs (taken in 1960s) | F/W 2011-12 |
| Plants (tour to see) | S/S 2012 |
| Plaque, National Register (unveiled) | S/S 2010 |
| Products (sold by Cowell) | S/S 2021 |
| Puccinelli, Agostino (worker) | S/S 2017 |
| Quadros, Manuel and Anna (worker) | F/W 2014-15 |
| Quarry Amphitheater | S/S 2018 |
| Quiz on district history | S/S 2023 |
| Reservoir (Cowell) | S/S 2022 |
| Roads (named “Lime Kiln Road”) | S/S 2024 |
| Rose (heritage variety at Cabin B) | F/W 2008-09 |
| Rincon | S/S 2012 |
| Rincon Road hike | F/W 2014-15 |
| Seghetti, Angelo (worker) | S/S 2017 |
| Sign (replaced) | S/S 2020 |
| Signs, interpretive (prototype installed) | F/W 2011-12 |
| Signs, interpretive (funding received) | F/W 2012-13 |
| Silva, Carlos (family history) | F/W 2008-09 |
| Silva, George and Emma (worker) | F/W 2014-15 |
| Smith, John Law (early UCSC employee) | S/S 2021 |
| Snowball firebricks | F/W 2013 |
| Stevens, Stanley D. (obituary) | S/S 2023 |
| Strong, Les (interview) | S/S 2015 |
| Students (interns work in District) | S/S 2010 |
| Student archaeology dig | F/W 2013 |
| Sugar (use of lime in making) | S/S 2010 |
| Ten year anniversary of Friends | S/S 2018 |
| Timber Framing (lecture and demonstration) | S/S 2012 |
| Trucks, Mack (used to haul rock) | S/S 2014 |
| Vegetation (removed) | S/S 2020 |
| Wagner, Barbara (interview) | F/W 2014-15 |
| Walking tour brochure (updated) | F/W 2023-24 & S/S 2024 |
| Weathervane (restored) | F/W 2016-17 |
| Weber, Gerald E. (geologist, obituary) | F/W 2023-24 |
| Wharf, Municipal | F/W 2014-15 |
| Wood (donated) | F/W 2010-11 |
| Workers (return to Portugal) | F/W 2019-20 |
| Workers (stories of) | S/S 2017 |
| Workers (a rough life) | F/W 2022-23 |