TY - BOOK AU - Langford, Michael. TI - Visual aids and photography in education: a visual aids manual f or teachers and learners SN - 0803857845 U1 - 371.335 PY - 1973/// CY - New York PB - Hastings House Publishers KW - Visual aids education KW - Photography in education KW - Education KW - Visual aids N1 - Includes bibliographical references and index ER -