I have compiled a list of the online catalogs for the California Nursery Company on our nursery garden website. If it should happen to move someday, you can contact me to find out where it is now. https://sites.google.com/site/friendsofcngarden/nursery-catalogs
The list contains California Nursery Company catalogs for the years 1887-1922. I've noted the locations of other catalogs if not scanned in. The Roeding Archives owns hard copies of many catalogs from the 1920's-1960's.
George Roeding of the Fancher Creek Nursery bought the California Nursery in 1917. I have included catalogs from 1887-1925.
I have some copies of Rock's Nurseries catalogs as well. John Rock started his nurseries in 1865 and started the California Nursery in 1884.

(Lots of roses, from early on.)

The California Nursery Historical Park keeps the archives from the California Nursery Company, Fancher Creek Nursery, and John Rock's Nursery. If you are interested in historical information you can contact Joyce Blueford of the Math Science Nucleus which manages the archives. blueford@msnucleus.org. Some of the history of the nursery is here: http://www.msnucleus.org/calnursery/history.html