Somebody in greater Facebookland finally posted this, and I'm sticking it here for reference. Sadly, it omits both the credits and some more "books", mostly on the right. But, as it happens, I also found my physical copy of this, so I will list the omissions here as I have them in The MAD Bathroom Companion; the Mother Load. Otherwise, click the image to enlarge.
Volume Sales Dept.
Today, all over the country, libraries are closing due to a lack of funds. MAD suggests a way to make up those deficits, mainly, there'd be plenty of money...
IF LIBRARIES SOLD ADVERTISING SPACE
Artist: Bob Clarke
Writer: William Garvin
Titles omitted from the image:
the old man and the Seagram's 7 Crown
The Spy Who Came in From the COLD POWER
Strange (Fruit of the Loom)
The Last Angry MANISCHEWITZ
Anna and the <Chun King> of Siam
FOR WHOM THE Bell ☏ System TOLLS
THE COUNT OF MONTE Crisco
THE lemon fresh JOY detergent OF SEX