| 1 | ZZYZX | | | Clipping File-California | Envelopes | | | | |
| 2 | ZWIERLEIN, EDMUND | Palo Alto Community Book | Miller, Guy C. | | 979.473 | | 1952 | 226 | |
| 3 | ZUYER, F. | History of Santa Clara County, California | Sawyer, Eugene T. | Ready Reference | 979.4 | | | 100 | |
| 4 | ZUVER, F. | Ten Years In Paradise | Carroll, Mary Bowden | | 917.94 | | 1903 | 37 | View |
| 5 | ZUNAGA, BERNABA | When San Jose Was Young | | When San Jose Was Young Scrapbooks | Scrapbooks | San Jose Mercury | 2/25/1935 | 144 | |
| 6 | ZUMWALT, ORILLA | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 11/19/1976 | | |
| 7 | ZUCK, MARY L. | Death index | | California Room periodicals | Periodical | Overland Monthly | Dec. 1872 | 584 | |
| 8 | ZUCK, MARY ANN (Mrs. Milton Holsclaw) | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 1/5/1973 | | |
| 9 | ZUCK, JOHN (Description 1866) | When San Jose Was Young | | When San Jose Was Young Scrapbooks | Scrapbooks | San Jose Mercury | 11/16/1936 | 235 | |
| 10 | ZUCK, JOHN | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 11/10/1972 | | |
| 11 | ZUCK, JAMES C. | History of Santa Clara County, California | Sawyer, Eugene T. | Ready Reference | 979.4 | | 1922 | 130, 292 | |
| 12 | ZUCK, JAMES C. | Pen pictures from the garden of the world, or Santa Clara County, | Foote, H. S., ed. | Ready Reference | 979.4 | | 1888 | 341 | |
| 13 | ZUCK, JAMES C. | History of the State of California and biographical record of coa | Guinn, J. M. | County Histories | 979.4 | | 1904 | 418 | |
| 14 | ZUCK, JAMES C. | History of Santa Clara County, California. | Alley, Bowen & Co. | Ready Reference | 979.4 | | 1881 | 640 | |
| 15 | ZUCK, JAMES | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 11/10/1972 | | |
| 16 | ZUCK, JAMES | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 4/26/1974 | | |
| 17 | ZUCK, J. C. | Share It With Barrett | Barrett, Dick | Share It With Barrett Scrapbooks | Scrapbooks | San Jose Mercury News | 8/25/1968 | 18E | |
| 18 | ZUCK, DAVID | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 11/10/1972 | | |
| 19 | ZUCK, DAVID | History of Santa Clara County, California. | Alley, Bowen & Co. | Ready Reference | 979.4 | | 1881 | 639 | |
| 20 | ZUCK, DAVID | Historical Atlas Map of Santa Clara County, California | Thompson & West | | 911.979473 | | 1973 | 109 | |
| 21 | ZUCK, DAVID | Signposts | Loomis, Patricia | Signposts Scrapbook | Scrapbooks | San Jose News | 1/5/1973 | | |
| 22 | ZUCCHINI | Bicentennial Records of San Jose | Barrett, Dick | Bicentennial Records of San Jose Scrapbooks | Scrapbooks | San Jose Mercury News | 8/26/1975 | 14 | vol 3 |
| 23 | ZUCCHINI | Bicentennial Records of San Jose | Barrett, Dick | Bicentennial Records of San Jose Scrapbooks | Scrapbooks | San Jose Mercury News | 9/15/1975 | 26 | vol 3 |
| 24 | ZSCHOKKE, ANNIE | Ten Years In Paradise | Carroll, Mary Bowden | | 917.94 | | 1903 | 112, 113 | View |
| 25 | ZSCHAU, ED | | | Clipping File-California | Envelopes | | | | |
| 26 | ZSCHAU, ED | | | Clipping File-Santa Clara County | Envelopes | | | | |
| 27 | ZOROASTRIAN CHURCH | | | | | | | | View |
| 28 | ZOOT SUIT RIOTS - 1940s | | | | | | | | View |
| 29 | ZOOS | | | Clipping File-California | Envelopes | | | | |
| 30 | ZOO ZOOS (San Jose Infantry Volunteers) | When San Jose Was Young | | When San Jose Was Young Scrapbooks | Scrapbooks | San Jose Mercury | 10/3/1932 | 25 | |
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