Science for the elementary school teacherGerald Spellman Craig, Gerald S. Craig · First published 1940Open the Tome
Changes all around us ... With illustrations by Herbert Paus and Hugh SpencerCRAIG, Gerald Spellman and BALDWIN (Sara Emily) · First published 1940Open the Tome
Certain techniques used in developing a course of study in science for the Horace Mann elementary schoolGerald Spellman Craig · First published 1927Open the Tome