Please view a recent journal article by Marjaana Puurtinen (Univ. of Turku, Finland), Markus Nivala (Univ. of Regensburg, Germany) and Arja Virta (Univ. of Turku, Finland), titled Visual Sources and Historical Thinking in Higher Education, and published in Nordidactica: Journal of Humanities and Social Science Education (2015:4).