If you're interested in the Uptown Theatre and other B&K theatres in Chicago, check out these magazines currently listed on eBay:
Balaban and Katz Magazine was published weekly, and included local advertisements and movie listings for all the B&K theatres, including the Uptown. Check out the auctions here: Balaban and Katz Magazine 1 and here: Balaban and Katz Magazine 2.
And, if you haven't already done so, we offer a free downloadable PDF of the B&K issue featuring the Uptown Theatre. Check out the right sidebar.