by SIMONS JEFFREY R, CULLER SCOTT R, HAAS JOHN D
Year of Publication 24.03.2005

by COLLINS STANLEY B, HAAS JOHN D
Year of Publication 16.06.2010

by COLLINS STANLEY B, HIBBARD LOUIS D, HAAS JOHN D
Year of Publication 02.12.2004

by COLLINS, STANLEY B, HIBBARD, LOUIS D, HAAS, JOHN D
Year of Publication 23.11.2004

by Haas, John D
Published in Social Studies (1979)

by Haas, John D
Published in Social Education (1976)

by Haas, John D
Year of Publication 1980

by Haas, John D
Published in School Science and Mathematics (1975)

by BODEN JOHN T, ADEFRIS NEGUS B, CULLER SCOTT R, ERICKSON DWIGHT D, HAAS JOHN D
Year of Publication 09.07.2014

by BODEN JOHN T, ADEFRIS NEGUS B, CULLER SCOTT R, ERICKSON DWIGHT D, HAAS JOHN D
Year of Publication 11.06.2014

by Haas, John D
Year of Publication 01.11.1974

by BODEN JOHN T, ADEFRIS NEGUS B, CULLER SCOTT R, ERICKSON DWIGHT D, HAAS JOHN D
Year of Publication 05.02.2014

by BODEN JOHN T, ADEFRIS NEGUS B, CULLER SCOTT R, ERICKSON DWIGHT D, HAAS JOHN D
Year of Publication 29.01.2014

by HAAS, JOHN, D, COLLINS, STANLEY, B, HIBBARD, LOUIS, D
Year of Publication 05.12.2001

by BODEN JOHN T, ADEFRIS NEGUS B, CULLER SCOTT R, ERICKSON DWIGHT D, HAAS JOHN D
Year of Publication 21.11.2012

by Haas, John D, Downey, Matthew
Published in Clearing House (1973)

by JOHN D. HAAS, STANLEY B. COLLINS
Year of Publication 21.11.2006

by RONALD D. PROVOW, JOHN D. HAAS
Year of Publication 07.11.2006

by BURXVOORT, WESLEY, J, HAAS, JOHN D, CHRISTIANSON, TODD J
Year of Publication 27.01.1999

by BODEN JOHN T, ADEFRIS NEGUS B, CULLER SCOTT R, ERICKSON DWIGHT D, HAAS JOHN D
Year of Publication 11.01.2012