1. ***“Libellus vere aureus nec minus salutaris quam festivius de optimo reip[ublicae] statu, deq[ue] nova Insula Vtopia”, published in Louvain
2. ***Cité ouvrière dite Familistère Godin, Picardie/Aisne/Guise/France, address: rue André-Godin (rue Sadi-Carnot, allée des Peupliers), author: Calland Victor (architect), the second half of the 19th century, reference code: IA02000890. http://www.culture.gouv.fr/public/mistral/merimee_fr?ACTION=RETROUVER&FIELD_98=ENO&VALUE_98=cit%e9%20ouvri%e8re&NUMBER=5&GRP=0&EQ=%28%28cit%e9%20ouvri%e8re%29%20%3aDENO%20%29&USRNAME=nobody&USRPWD=4%24%2534P&SPEC=3&SYN=1&IMLY=&MAX1=1&MAX2=100&MAX3=100&DOM=Tous. Accessed July 2014
3. *** http://www.britannica.com/EBchecked/topic/436254/Robert-Owen . Accessed Aug 2014
4. *** http://www.ghetto-theresienstadt.info/terezingeschichte.htm
5. *** http://www.pamatnik-terezin.cz . Accessed June 2014