I used the Genealogy Databases Posted or Updated Recently link, clicked on the US City Directories link, and input [carringer] in the surname box, [California] in the State box, and Exact Matches checked. The screen looks like this:
I was curious about the source citation at the bottom of the search box. It says:
"Ancestry.com. U.S. City Directories [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2008. Original data: Original sources vary according to directory. Check the directory title page image for full title and publication information."
That really doesn't tell me much, does it? Just that Ancestry.com obtained them somehow. Perhaps the directory images will help me. I clicked on Search and received three matches in San Diego, one for 1897, one for 1899-1900, and one for 1901. Here is the linked page image for 1897: Here's the image as it opened:
I scrolled down and found the Carringer listings, and saved the image to my computer files. The saved image is (it is Image 94 of 264):