San Antonio Express, 31 Dec 1916, p. 12A (Portal page 36): classified directory, Clarkson Cotton Company, W. B. Clarkson, president.
Image · dated 31 Dec 1916 · source: The Portal to Texas History, University of North Texas Libraries (digitized newspaper), https://texashistory.unt.edu/ark:/67531/metapth433913/m1/36/.

How it is shown: Complete image as saved; no crop, no retouch, no search highlight.
Keep in mind: Clarkson on the page is in the library's text index; the listing has not been independently checked.
Evidence for
- San Antonio Express, 31 Dec 1916, p. 12A, classified directory of San Antonio business firms: Clarkson Cotton Company, W. B. Clarkson, president (cotton exporters) · the original at The Portal to Texas History