Inventing science education for the new millenniumPaul DeHart Hurd · First published 1997Open the Tome
New curriculum perspectives for junior high school sciencePaul DeHart Hurd · First published 1970Open the Tome
New directions in teaching secondary school sciencePaul DeHart Hurd · First published 1969Open the Tome
Biological education in American secondary schools, 1890-1960Paul DeHart Hurd · First published 1961Open the Tome