A Biographical Dictionary of Women's Movements and Feminisms. Central, Eastern, and South Eastern Europe, 19th and 20th Centuries
- Editor:
 - Loutfi, Anna
 - Daskalova, Krassimira
 - de Haan, Francisca
 - Place of publication:
 - Budapest, Hungary
 - Publisher:
 - Central European University Press
 - Year of publication:
 - 2006
 - ISBN:
 - 9789637326394; 9637326391
 - CENSUS entries
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                pp. 402-405
              
              Psarra, Angelika; Fournaraki, Eleni. "Parren, Callirhoe (born Siganou) (1859-1940)"
                Topic: Parren, Kalliroï (1859-1940)Study
 
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                pp. 402-405
              
              Psarra, Angelika; Fournaraki, Eleni. "Parren, Callirhoe (born Siganou) (1859-1940)"