Maldonado, S. R. (1996). Estonian experience and roots: Ethnic Estonian genealogy with historical perspective, social influences and possible family history resources : an aid or guide to those wanting to know some local history and to search for their Estonian also Latvian roots and to professional genealogists. Fort Wayne, Ind.: As Was Pub..

Maldonado, Sigrid Renate. Estonian Experience and Roots: Ethnic Estonian Genealogy With Historical Perspective, Social Influences and Possible Family History Resources : An Aid or Guide to Those Wanting to Know Some Local History and to Search for Their Estonian Also Latvian Roots and to Professional Genealogists. Fort Wayne, Ind.: As Was Pub., 1996.

Maldonado, Sigrid Renate. Estonian Experience and Roots: Ethnic Estonian Genealogy With Historical Perspective, Social Influences and Possible Family History Resources : An Aid or Guide to Those Wanting to Know Some Local History and to Search for Their Estonian Also Latvian Roots and to Professional Genealogists. Fort Wayne, Ind.: As Was Pub., 1996.