• Transportation History of the Transcontinental Railroad : http://www.freightcapital.com/transportation-history.html
• The coming of the Transcontinental Railroad, the first communication revolution in the USA.: http://www.tcrr.com/
• CENTRAL PACIFIC RAILROAD Photographic History Museum : http://cprr.org/
• The Transcontinental Railroad : http://www.sfmuseum.net/hist1/rail.html
• Plan for the Pacific Railroad, by Theodore Judah : http://www.sfmuseum.net/hist4/practical.html
• Chinese immigration and the Transcontinental railroad : http://www.uscitizenship.info/Chinese-immigration-and-the-Transcontinental-railroad/
  

• Southern Pacific Historical and Technical Society
• Cotton Belt Historical Society
• Western Pacific Railroad Historical Society
• Northern Pacific Historical Association
  

• Golden Gate Railroad Museum Home of 4-6-2 SP 2472 and much other preserved SP equipment
• The California State Railroad Museum one of the finest railroad museums in the world.
• CENTRAL PACIFIC RAILROAD Photographic History documenting the building of the railroad.
• California Trolley and Railroad Corporation.
  This group is moving San Jose's Lenzen Ave. roundhouse, turntable, and College Park tower to a site near the Santa Clara County Fairgounds. They are undertaking the restoration of 4-6-2 2479
• Orange Empire Railway Museum. The largest railway museum in the west, with much SP equipment
  

• Niles Depot, restored. history of the depot
• Historic Goleta Depot The restored Goleta depot, located west of Santa Barbara on the Coast Division. Lots of history and data
• South Bay Historical Railroad Society of Santa Clara, CA.
  Here you will find information about their project to restore and maintain the Santa Clara depot
• Centerville Depot Museum. Impressively restored and maintained by William G. Wullenjohn Sr
• Santa Clara Valley Historical Society
• Remember Wig-Wags Dan Furtado has ammassed much information about these anachronisms
  

• Charlie Comstock's South Pacific Coast resource page.
  The South Pacific Coast, predecessor narrow gauge operation from Alameda to San Jose and then over the mountains to Santa Cruz, is covered on this site, including modeling sources and photos
• Birth of California Narrow Gauge Railroads
  Randy Hees has prepared a site with significant information about the South Pacific Coast, the North Pacific Coast, and California car builders.
• Narrow Gauge and Short Line Gazette
• Rick Blanchard's comprehensive narrow gauge site SP narrow gauge lines may be found here
• http://www.spcrr.org/index.htm
• http://s145079212.onlinehome.us/rr/spc/spchome.htm
• http://www.sanjose.com/underbelly/unbelly/Draw/draw2.html
• http://blacklake.biz/nipomo/train.htm
• http://ark.cdlib.org/ark:/13030/tf287007vc/
• http://en.wikipedia.org/wiki/Santa_Cruz,_Big_Trees_and_Pacific_Railway
• http://home.netcom.com/~hees/NRRWGauge/SPCRR/cars.html
  

Bay Area History

• The Museum of the City of San Francisco curated by Gladys Hansen - lots of source materials
• Filling the Marina
  San Francisco has gone through tremendous land changes, and these changes have been dictated mostly by commercial interest. Originally, San Francisco had a very wavering waterfront that consisted mostly of sand dunes. The edge that faced the sea was eventually developed.
• Shaping San Francisco - brings a unique perspective of history
• Shaping San Francisco Digital Library : http://shapingsf.ctyme.com/
• Virtual Museum of SF : http://www.sfmuseum.org/hist7/spdepot.html
• San Francisco Historical Maps
• Historic Topographic Maps of the Bay Area quadrangles produced by the U.S. Geological Survey between 1895 to the present.
• San Francisco Maps from the David Rumsey Historical Map Collection
• Browse the San Francisco Historical Photograph Collection
• Historical Photos of San Francisco
• The Much-Altered Geography of Potrero Point: ttp://www.pier70sf.org/index.htm
• The Cliff House: http://www.cliffhouse.com/
• The Golden Gate Bridge by Venus de Guzman: http://www.missioncollege.org/depts/math/venus.htm
• The Golden Gate and San Francisco-Oakland Bay Bridge: http://www.fhwa.dot.gov/infrastructure/2bridges.cfm
• Southern Pacific Announces Plans for Depot : http://www.sfmuseum.org/hist7/spdepot.html
• This site is an unvaluable source : http://wx4.org/to/foam/sp/a_sp.html
• Caltrain Engineer Frank Caron's site : http://www.railsaroundthebay.net/
• The Burlingame Train Station: http://spectrum.best.vwh.net/history/train.html
• Early Days in Menlo Park: http://www.menlopark.org/homepage/history.html
• Ken Rattene's San Jose Sentinals pages
  http://www5.pair.com/rattenne/nrhs/sunnyvale/sunnyvale_retrospectivet.htm
• Andrew J. Landrum House : http://www.cr.nps.gov/nr/travel/santaclara/lan.htm
• SP San Jose Depot Trackage Arrangement:http://wx4.org/to/foam/sp/san_jose/depot/tracks/eastend.html
• Boulder Creek old photos: http://www.boulder-creek.com/bc_historical_photos.htm
• 60 Years Mark The Passing of Southern Pacific's Mountain Line
  By Jon Pullman Porter : http://www5.pair.com/rattenne/nrhs/santacruz/Santa_Cruz_line.htm
• Roaring Camp and Big Trees: http://railroadpictures.net/Tourist_Railroads/Roaring_Camp_and_Big_Trees/
• Southern Pacific Commute Trains in the Steam Era: http://www5.pair.com/rattenne/nrhs/SP_commute_steam/SPSteam.htm
  

• Kalmbach Publishing Company publisher of Model Railroader, books, etc
• Carstens Publications publisher of Railroad Model Craftsman and books
• Highlands Station, Inc. publisher of Model Railroading magazine
• Signature Press :
  Publishers of fine historical and operational studies of Southern Pacific routes, trains and equipment. Anthony Thompson, Robert Church and John Signor, all officers and/or members of the Society, are among the authors and editors of these fine publications.
• RailPub Paul Gibson's list of back-issue magazines and out-of-print books
• Monte Vista Publishing railroad steam and diesel pictorials
• Ron's Books new and used railroad books and videos
  

• Jim Lancaster's Train Page.
  One of the founding members of the SP Society, Jim is a very knowledgeable and articulate passenger train enthusiast
• The SP Freight Cars Page Lee Gautreaux
  

• John Mossbarger's wonderfully extensive coverage of the SP in postcards
• SP Cascade Line Joel Ashcroft's site, covering operation on the Cascade line through Oregon.
• David Coscia's SP SiteSP Siskiyou Line
• Art Fisher's SPTCO pages Photos of depots, bridges, water tanks, freight hice, and other facilities, particularly in Texas and Nevada.
• Sam Reeves Photography
• Bob Morris Photography Visit Bob Morris for one of the most extensive SP photo collections available for purchase
• Bruce Petty's page on the history of the three railroads operating in LA. Pictures from 1930-1970 are on the site, as well as a detailed map of the railroads
• SP's Shasta Route
• Richard Percy's SP Pages
• http://www.bayarearailfan.org/
  Many photos of historic Bay Area railroads including Sacramento Northern, Santa Fe, Western Pacific, Key Route System, SouthernPacific and more...
• Dan's Depot: The Coast Line
  Photos of Union Pacific's Coast Line, especially the Bay Area and San Luis Obispo. Also a large Train GIF collection.
• Southern Pacific at Sunset
  Stan Rothwell's photo archive of the last eleven years (1986-1996) of the SP. This site contains some spectacular images
• SP photos of the 70s and 80s John Mosbarger
• SteamLocomotives.com a general information site, including information on Los Angeles area steam.
  

• Mark Schutzer SP models Pages
• Siskiyou Line : Joe Fugate's SP’s Siskiyou Line in Southern Oregon during the 1980s
• Rick Blanchard has put together this invaluable resource for modelers and historians
• http://espee.railfan.net/sp_depots.html
  

• Layout Design Primer : a primary source of advanced design information
• http://railroady.com/ A very usefull free of charge tool. Visit the Download section and try this rule.
  

• 3rd Planit 3D Layout Software /El Dorado Software
• Train Player a nice software that enable to check your plan operation capability
  

• Showcaseminiatures/ small companies producing quality products merit an exception.
• BranchLine Trains Same story.
• Republic Locomotive Works This is the "King" for Narrow gauge Nn3 and some amazing structures in N scale.
• Blair Line Finest laser cut kits
  

• Toy Trunk Railroad - The Coal Fired Comic Strip!