For sale on Etsy! From the listing:
This is old store stock from a now defunct shop, and is in BEAUTIFUL CONDITION! Each pad has 60 sheets, and measures 6″ x 9″ – the perfect size for all of your stenographic needs! And that cover art is just TOO MUCH!
More at VINTAGE notebook STENOGRAPHER pad 1960s OLD STORE by dotdotdotshop.
Thanks for the heads up! I think I got the last one.