A reading list panel is displayed as a sidebar window with respect to a main window of a content viewing application. In response to a first input, a first article representation of a first article associated with a presentation page displayed in the main window is listed in the reading list panel, where the first article representation includes information identifying the first article. In response to a selection of a second article representation from the reading list panel, content of a second article represented by the second article representation is presented in a reader mode within the main window.