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1
Published 1976

Book
2
by Pitcher, Evelyn Goodenough
Published 1983

Book
3
Published 1993

Book
4
Published 2007

Unknown
5
Published 2018

Book
6
by Piaget, Jean, 1896-1980
Published 1999

Book
7

Book
8
9

Book
10
Published 2013

Book
11
by Biber, Barbara, 1903-1993
Published 1984

Book
12
by Cohen, David, 1946-
Published 2006

Book
13
Published 2011

Book
14
by Pellegrini, Anthony D.
Published 2009

Book
15

Book
16
Published 1972

Book
17
by Piaget, Jean, 1896-1980
Published 1962

Book
18
by Hartley, Ruth Edith, 1909-
Published 1952

Book
19
20
Published 2000

Book