Prerecorded audio tapes and audio disks, prerecorded video tapes and video disks, and computer software all for teaching literature, reading, writing, grammar, speech, mathematics, science, health, social studies, history, geography, economics, civics, English, German, French, Spanish, Italian, Latin, philosophy and psychology to middle school, high school and college students

'audio':2,5 'civic':32 'colleg':48 'comput':14 'disk':6,12 'econom':31 'english':33 'french':35 'geographi':30 'german':34 'grammar':22 'health':26 'high':45 'histori':29 'italian':37 'latin':38 'literatur':19 'mathemat':24 'middl':43 'philosophi':39 'prerecord':1,7 'psycholog':41 'read':20 'school':44,46 'scienc':25 'social':27 'softwar':15 'spanish':36 'speech':23 'student':49 'studi':28 'tape':3,9 'teach':18 'video':8,11 'write':21

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