The ornamental design for a universaldoorhanger for literature, as shown.
FIG. 1 is a front elevational view of a universal doorhanger for literature showing my new design, the rear elevational view being a mirror image thereof;
FIG. 2 is a right side elevational view thereof, the left side elevational view being identical;
FIG. 3 is a top plan view thereof, the bottom plan view being identical;
FIG. 4 is a front elevational view thereof with a business card and a trifold advertising piece inserted; and,
FIG. 5 is a front elevational view thereof with a mailer card inserted.
The business card, trifold advertising piece, mailer card and slots and holes shown in broken lines are for illustrative purposes only and form no part of the claimed design.