Longman dictionary of common errors. Workbook /
ABC of common grammatical errors : [for learners and teachers of English] /
Common errors and problems in English /
Longman preliminary English skills. /
Longman preliminary English skills. Teacher's guide. /
Longman photo dictionary CD 1 All words pronounced. Pages 6-53
Longman photo dictionary CD 2 All words pronounced. Pages 54-100
Longman photo dictionary CD 3 All words pronounced. Pages 101-127
Longman Family Dictionary
Longman elementary dictionary
Longman pronunciation dictionary /
Longman Wordwise Dictionary
Longman dictionary of business English /
Longman Photo Dictionary : [for learners of English] /
Reversible error /
Reversible errors /
Longman dictionary of applied linguistics /
Longman handy learner´s dictionary
Longman dictionary of phrasal verbs /
Longman dictionary of contemporary english
Longman dictionary of common errors /
Graded English test papers. : Junior book. /