Display screen or portion thereof with graphical user interface for shelf folders

The design is the visual features of the Display Screen with Shelf Folders Graphical User Interface shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament, or pattern, or are a combination of any of these features. Drawings of the design are included. FIG. 1 is a front view of a Display Screen with Shelf Folders Graphical User Interface, illustrating the design; FIG. 2 is a front view of a Display Screen with Shelf Folders Graphical User Interface, illustrating a first variant of the design; and FIG. 3 is a front view of a Display Screen with Shelf Folders Graphical User Interface, illustrating a second variant of the design. The broken line portions are included for illustration only and form no part of the design.