Ryan, Mary P. Cradle of the middle class : the family in Oneida County, New York, 1790-1865 / Mary P. Ryan. - Cambridge, Eng. ; New York : Cambridge University Press, 1981. - xiv, 321 p. : ill. ; 24 cm. Includes index. ISBN: 0521232007 LCCN: 80018460 LC Class. No.: HQ555.N7 .R9 / R9 Dewey Class. No.: 306.8/09747/62