Intellectual development

gan Berg, Cynthia A, Sternberg, Robert J
Cyhoeddwyd 1992

How old is the earth?

gan Hurley, Patrick M.
Cyhoeddwyd 1959

Transmuted past : the age of the Earth and the evolution of the elements from Lyell to Patterson /

gan Brush, Stephen G.
Cyhoeddwyd 1996

Social Policies For Old Age: A Review Of Social Provision For Old Age In Great Britain

gan Shenfiels B.E
Cyhoeddwyd 1957

Old-Age Care And Welfare Administration: Planning, Policy Imperatives And Projections

gan Pratap, Joshi
Cyhoeddwyd 2000