Here's a book shop trade label from Texas City, Texas, a town best remembered for the 1947 Disaster. With the old phone number (WI exchange), perhaps this book shop was around in 1947. The label was found in a 1963 publication.
I got to wondering about the telephone exchange name for WI in the phone number. I grew up while the two-letter telephone exchanges were still in effect. Our Houston number started out SUnset 2. Didn't take long to find WIlson 8 by searching the database on this site: