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- Slate writing as exemplified under boss rule by a Republican County Convention [text].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Political conventions -- Contra Costa County -- History.
- 1 clipping (two pieces) ; 58 x 7 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- John Tormey and others, plaintiffs vs. Andrew Allen and others, defendants : summons and complaint in partition of Rancho el Pinole [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Land tenure -- California -- Contra Costa County -- History.;
- 6 leaves ; 33 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Trust deed, Elam Brown to Thomas A. Brown [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Land tenure -- California -- Contra Costa County -- History.;
- 3 leaves ; 32 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Surveyed for Rosana Luch [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Real property -- California -- Contra Costa County -- History.;
- 1 leaf : map ; 32 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Survey map of Dick Ranch with field notes [cartographic material].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Real property -- California -- Contra Costa County -- History.;
- 1 map : col. ; 31 x 38 cm. + 1 leaf (folded ; 32 cm.)
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Election returns of Contra Costa County [text.]
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Elections -- Statistics -- History.
- 1 leaf ; 33 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Contra Costa Co. Cal. [cartographic material].
- Local history -- Contra Costa County (Calif.).; Contra Costa County (Calif.) -- Maps.; Carquinez Strait (Calif.) -- Maps.
- 1 map in 2 sheets : col. ; 60 x 96 cm.
- The Library's Historic Map Collection
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- Mortgage from C. W. Lander to Josiah Sturgis [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Real property -- California -- Martinez -- History.;
- 2 leaves ; 44 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Somersville, Nortonville
- Local history -- Contra Costa County (Calif.).; Pittsburg (Calif.) -- History.; Coal mines and mining.; Coal trade.; Ghost towns.; Extinct cities.;
- 1 clipping; 22.5 x 7 cm.
- The Lost Towns of Contra Costa
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- [Receipt] Bray Bros. [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Farm supplies -- California -- Contra Costa County -- History.;
- 1 leaf ; 18 x 22 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Receipt] W. D. Dyer [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Stationery -- California -- Martinez -- History.
- 1 leaf ; 18 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Letter] 1883 April 26th, San Francisco, Cal. [to] Judge Brown, Martinez [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).;Real property -- California -- Martinez -- History.;
- 1 leaf ; 27 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Circular of the Conord Sun [text].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Concord (Calif.) -- History.; Newspapers -- California -- Concord -- History.
- 1 p. ; 24 cm. + 1 envelope (8 x 14 cm.)
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Black Diamond Mine
- Local history -- Contra Costa County (Calif.).; Pittsburg (Calif.) -- History.; Coal trade.; Coal mines and mining.; Historic mines.;
- 1 clipping; 20 x 8 cm.
- The Lost Towns of Contra Costa
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- Mining map [cartographic material].
- Contra Costa County (Calif.).; Local history -- Contra Costa County (Calif.).; Maps -- 1840-1850.; Mines and mineral resources -- California.;
- “Mining map of California 1850, Map of the Mining District of California by Wm. A. Jackson”. The legend (“Explanation”) includes symbols for: “City or Town, Ranch, Workings for Gold, Indian Villages”. The area of the map includes a section of...
- The Contra Costa County Historical Society Collection
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- Official map of Contra Costa County, California [cartographic material].
- Local history -- Contra Costa County (Calif.).; Contra Costa County (Calif.) -- Maps.;
- 1 map on 6 sheets : col. ;76 x 43 cm.
- The Library's Historic Map Collection
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- Road map of Contra Costa County California [cartographic material] / Compiled by Jos. W. Barclay, County Surveyor.
- Contra Costa County (Calif.) -- Maps.; Local history -- Contra Costa County (Calif.).; World War, 1939-1945.;
- 1 map : blueline ; 46 x 66 cm.
- The Library's Historic Map Collection
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- 1954 official map of Contra Costa County, California [cartographic material] / Compiled by Jos. W. Barkley, County Surveyor.
- Contra Costa County (Calif.) -- Maps. ; Local history -- Contra Costa County (Calif.). ; School districts -- California -- Contra Costa County -- History -- Maps.
- 1 map : blueline ; 49 x 97 cm.
- The Library's Historic Map Collection
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- Contra Costa County [cartographic material] / Office [of] County Surveyor.
- Contra Costa County (Calif.) -- Maps.; Local history -- Contra Costa County (Calif.).; Contra Costa County (Calif.). -- Board of Supervisors -- Election districts -- History -- Maps.
- 1 map : blueline ; 44 x 72 cm.
- The Library's Historic Map Collection
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- Plat of the Rancho Las Juntas [cartographic material].
- Contra Costa County (Calif.) -- Maps. ; Local history -- Contra Costa County (Calif.).
- 1 map : b&w ; 66 x 46 cm.
- The Library's Historic Map Collection
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- Plan of Rancho De San Antonio claimed by Vincente Peralta & others [cartographic material].
- Alameda County (Calif.) -- History -- Maps.; Oakland (Calif.) -- History -- Maps. ; Land grants -- California -- East Bay -- Maps.
- 1 map : col. ; 46 X 58 cm.
- The Library's Historic Map Collection
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- Dress [realia]
- Clothing and dress.; Fashion.; Local history -- Contra Costa County (Calif.).;
- Vintage dress.
- Art and Artifacts from Contra Costa
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- Moraga adobe [picture]
- Building, Adobe.;
- Located in Orinda. Said to be the only remaining part of Moraga's Rancho past, located on a hill above Moraga Valley. Construction began in 1841; originally 3 rooms. Made of bricks to form 36" width exterior walls. Redwood cut from Moraga...
- Art and Artifacts from Contra Costa
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- [Letter] 1883 March 24th [to] Mr. Thomas A. Brown, Esq. [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Land tenure -- California -- Contra Costa County -- History.;
- 1 leaf ; 21 cm. + 1 envelope ; 9 x 14 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Letter] 1857 January 8th, Cassville [to] T. A. Brown, Esq. [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Lawyers -- California -- Contra Costa County.;
- 1 leaf ; 23 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Letter] 1866 Feby. 6th, San Francisco [to] Judge [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Actions and defenses -- California -- History.;
- 1 leaf ; 26 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Contract] 1850 December 31st, Martinez [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Lawyers -- California -- Contra Costa County -- History.;
- 1 leaf ; 25 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Bank of Martinez [credit agreement] [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Lawyers -- California -- Contra Costa County -- History.; Credit -- Contra Costa County -- History.
- 1 leaf ; 33 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Right of way agreement] [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Roads -- Right of way -- California -- San Joaquin County -- History.;
- 1 leaf (folded) ; 32 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Deed. Ygnacio Sibrian to Florencio Sibrian [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Land tenure -- California -- Contra Costa County -- History.;
- 2 leaves (1 folded) ; 44 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Rancho la Boca de la Cañada del Pinole [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Land tenure -- California -- Contra Costa County -- History.;
- 17 leaves ; 33 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Copy. Protest to J. W. Mandeville, U. S. Sur[veyor] General of California against the survey of the Rancho Cañada del Hambre [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Real property -- California -- Contra Costa County -- History.;
- 4 leaves ; 32 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Deed. Joaquin Moraga, Francisco Moraga, José Moraga to Elam Brown [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Land tenure -- California -- Moraga -- History.;
- 2 leaves ; 32 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- The public lands of Alameda & Contra Costa counties : survey of Rancho del Sobrante [text].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Real property -- California -- Contra Costa County -- History.; Land tenure -- California -- Contra Costa County -- History.;
- 8 p. : map ; 23 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Program] Martinez Opera House [text].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Martinez (Calif.) -- History.; Amateur theater -- History.
- 1 leaf ; 18 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Contract] Original subscription to stock for the purpose of incorporating company [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Railroads -- California -- Contra Costa County -- History.;
- 1 leaf (folded) ; 32 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Martinez & Amador Valley R. R. Co. [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Railroads -- California -- Contra Costa County -- History.;
- 6 leaves ; 36 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Receipt] Subscription to Pacific Coast Law Journal [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Lawyers -- California -- Contra Costa County -- History.;
- 1 leaf : col. ; 9 x 18 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Receipt] S. Blum & Co. [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Farm supplies -- California -- Contra Costa County -- History.;
- 1 leaf ; 12 x 22 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- Ballona station 6 miles from Los Angeles [manuscript]
- Local history -- Contra Costa County (Calif.).; Brown, Thomas A., 1823-1889.
- 1 leaf; 26 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Receipt] San Francisco Jewelry Manufactury [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Metal-work -- California -- History.
- 1 leaf ; 12 x 22 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder
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- [Letter] 1869 July 11, Law Office of Brown & Bailey, Martinez, Contra Costa County, Cal. [manuscript].
- Brown, Thomas A., 1823-1889.; Local history -- Contra Costa County (Calif.).; Judges -- California -- Contra Costa County.;
- 3 leaves ; 25 cm.
- The Legacy of Thomas Brown, the County's First Clerk-Recorder