Methods, systems and articles of manufacture for generating interface elements of an electronic tax preparation application to allow a taxpayer or user to view a portion of an image of a tax document that is a source of data for a field of a screen generated by the electronic tax application. The image portion displayed may be a particular box or field of a tax document for a corresponding particular field of the screen generated by the electronic tax preparation or a bounding region including one or more adjacent or surrounding boxes or fields. Embodiments allow taxpayers to view an image of a source document while viewing the data that was entered in the field from within the tax preparation application without having to consult paper copies of the tax documents.