Cambridge University Press
1971-
unit 2 : set , unit 2 : Teacher's handbook , unit 2, stage 13 : In Britannia , unit 2, stage 14 : Apud Salvium , unit 2, stage 15 : Rex Cogidubnus , unit 2, stage 16 : In palatio , unit 2, stage 17 : Alexandria , unit 2, stage 18 : Eutychus et Clemens , unit 2, stage 19 : Aegyptii , unit 2, stage 20 : Medicus , unit 2, stages 13-20 : Words and phrases , unit 3 : set , unit 3 : Teacher's handbook , unit 3, stages 21-31 : Words and phrases , unit 4 : Teacher's handbook , unit 5 : set , unit 5 : Teacher's handbook , unit 5 : Words and phrases
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