00807nam a2200253Ia 4500 113557 BIBL 20160527183617.0 740930s1951 nyua b 000 0 eng 51009382 (OCoLC)01024971 DLC ODC SER PUXA Q181 .R54 607 Richardson, John Sanford 269314 Local Methods and materials for teaching general and physical science by John S. Richardson and G. P. Cahoon. 1st ed. New York McGraw-Hill 1951. viii, 485 p. illus. 24 cm. Includes bibliographies. Science Study and teaching. 166868 Local Cahoon, Guybert Phillips 1896- joint author. 206567 Local 94894 94894 0 0 0 507_000000000000000_R523 0 evl 31094 10 10 1 2016-05-27 173482 0 507 R523 80000001225963 2016-05-27 00:00:00 r:113557 z:NCC:D 6 0 0 0 507_000000000000000_R523 0 evl 31099 10 10 1 2016-05-27 173483 0 507 R523 80000001223166 2016-05-27 00:00:00 r:113557 z:NCC:D 6