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Assign as many labels as are needed.
When you close the dialog box, the label will display and the page will show up with the others in the associated workflow/area (as described below).
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Add the appropriate label:
Next to "Options" click on "Show" and change the Maximum Number of Pages from 15 to 100 and de-select the checkboxes. (This results in a much cleaner display list.)
This is what the page will look like in edit mode:
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